123 (one hundred
ndtwenty-three) is the natural number following
122 122 may refer to:
* 122 (number), a natural number
* AD 122, a year in the 2nd century AD
* 122 BC, a year in the 2nd century BC
* ''122'' (film), a 2019 Egyptian psychological horror film
*" One Twenty Two", a 2022 single by the American rock band ...
and preceding
124.
In mathematics
*123 is a
Lucas number
The Lucas sequence is an integer sequence named after the mathematician François Édouard Anatole Lucas (1842–1891), who studied both that sequence and the closely related Fibonacci sequence. Individual numbers in the Lucas sequence ar ...
. It is the eleventh member of the
Mian–Chowla sequence
In mathematics, the Mian–Chowla sequence is an integer sequence defined
recursively in the following way. The sequence starts with
:a_1 = 1.
Then for n>1, a_n is the smallest integer such that every pairwise sum
:a_i + a_j
is distinct, for ...
.
*Along with
6, 123 is one of only two positive integers that is simultaneously two more than a perfect square and two less than a perfect cube (123 = 11
2 + 2 = 5
3 - 2).
* 123 is the first whole number containing numbers from 1 to 3.
In religion
In numerology, the sequence of 123 is associated with progress and the
Holy Trinity
The Trinity (, from 'threefold') is the Christian doctrine concerning the nature of God, which defines one God existing in three, , consubstantial divine persons: God the Father, God the Son (Jesus Christ) and God the Holy Spirit, three ...
, so it may be referred to as the Trinity of Progress or Triad of Progress.
References
Integers
{{Num-stub