122775752 has 16 divisors (see below), whose sum is σ = 251132400. Its totient is φ = 55807120.

The previous prime is 122775749. The next prime is 122775769. The reversal of 122775752 is 257577221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697502 + ... + 697677.

It is an arithmetic number, because the mean of its divisors is an integer number (15695775).

Almost surely, 2^122775752 is an apocalyptic number.

It is an amenable number.

122775752 is an abundant number, since it is smaller than the sum of its proper divisors (128356648).

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

122775752 is a wasteful number, since it uses less digits than its factorization.

122775752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395196 (or 1395192 counting only the distinct ones).

The product of its digits is 68600, while the sum is 38.

The square root of 122775752 is about 11080.4220136238. The cubic root of 122775752 is about 497.0165696940.

The spelling of 122775752 in words is "one hundred twenty-two million, seven hundred seventy-five thousand, seven hundred fifty-two".