122923152 has 120 divisors (see below), whose sum is σ = 380922048. Its totient is φ = 36691200.

The previous prime is 122923147. The next prime is 122923181. The reversal of 122923152 is 251329221.

It is a happy number.

It is a super-2 number, since 2×122923152² = 30220202595230208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111918 + ... + 113010.

Almost surely, 2^122923152 is an apocalyptic number.

122923152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122923152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190461024).

122923152 is an abundant number, since it is smaller than the sum of its proper divisors (257998896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122923152 is a wasteful number, since it uses less digits than its factorization.

122923152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189 (or 1180 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 122923152 is about 11087.0713896863. The cubic root of 122923152 is about 497.2153900172.

The spelling of 122923152 in words is "one hundred twenty-two million, nine hundred twenty-three thousand, one hundred fifty-two".