122938156 has 24 divisors (see below), whose sum is σ = 235141200. Its totient is φ = 55776000.

The previous prime is 122938147. The next prime is 122938171. The reversal of 122938156 is 651839221.

It is a super-2 number, since 2×122938156² = 30227580401360672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24120 + ... + 28768.

It is an arithmetic number, because the mean of its divisors is an integer number (9797550).

Almost surely, 2^122938156 is an apocalyptic number.

It is an amenable number.

122938156 is a deficient number, since it is larger than the sum of its proper divisors (112203044).

122938156 is a wasteful number, since it uses less digits than its factorization.

122938156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265 (or 5263 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 122938156 is about 11087.7480130097. The cubic root of 122938156 is about 497.2356192311.

It can be divided in two parts, 12293 and 8156, that added together give a square (20449 = 143²).

The spelling of 122938156 in words is "one hundred twenty-two million, nine hundred thirty-eight thousand, one hundred fifty-six".