122755828 has 24 divisors (see below), whose sum is σ = 233742152. Its totient is φ = 56070144.

The previous prime is 122755819. The next prime is 122755837. The reversal of 122755828 is 828557221.

It is an interprime number because it is at equal distance from previous prime (122755819) and next prime (122755837).

It can be written as a sum of positive squares in 4 ways, for example, as 34433424 + 88322404 = 5868^2 + 9398^2 .

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, 7125 + ... + 17212.

Almost surely, 2^122755828 is an apocalyptic number.

It is an amenable number.

122755828 is a deficient number, since it is larger than the sum of its proper divisors (110986324).

122755828 is a wasteful number, since it uses less digits than its factorization.

122755828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24451 (or 24449 counting only the distinct ones).

The product of its digits is 89600, while the sum is 40.

The square root of 122755828 is about 11079.5229139165. The cubic root of 122755828 is about 496.9896830227.

The spelling of 122755828 in words is "one hundred twenty-two million, seven hundred fifty-five thousand, eight hundred twenty-eight".