122158432 has 24 divisors (see below), whose sum is σ = 262363752. Its totient is φ = 55526400.

The previous prime is 122158427. The next prime is 122158433. The reversal of 122158432 is 234851221.

It is a self number, because there is not a number n which added to its sum of digits gives 122158432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122158433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173169 + ... + 173872.

It is an arithmetic number, because the mean of its divisors is an integer number (10931823).

Almost surely, 2^122158432 is an apocalyptic number.

It is an amenable number.

122158432 is an abundant number, since it is smaller than the sum of its proper divisors (140205320).

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

122158432 is a wasteful number, since it uses less digits than its factorization.

122158432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347062 (or 347054 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 122158432 is about 11052.5305699645. The cubic root of 122158432 is about 496.1821651383.

The spelling of 122158432 in words is "one hundred twenty-two million, one hundred fifty-eight thousand, four hundred thirty-two".