122532920 has 32 divisors (see below), whose sum is σ = 278385120. Its totient is φ = 48535680.

The previous prime is 122532913. The next prime is 122532931. The reversal of 122532920 is 29235221.

It is a self number, because there is not a number n which added to its sum of digits gives 122532920.

It is a congruent number.

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, 10751 + ... + 18990.

It is an arithmetic number, because the mean of its divisors is an integer number (8699535).

Almost surely, 2^122532920 is an apocalyptic number.

122532920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122532920 is an abundant number, since it is smaller than the sum of its proper divisors (155852200).

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

122532920 is a wasteful number, since it uses less digits than its factorization.

122532920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29855 (or 29851 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 122532920 is about 11069.4588846971. The cubic root of 122532920 is about 496.6886787135.

The spelling of 122532920 in words is "one hundred twenty-two million, five hundred thirty-two thousand, nine hundred twenty".