122332978 has 4 divisors (see below), whose sum is σ = 183499470. Its totient is φ = 61166488.

The previous prime is 122332961. The next prime is 122333027. The reversal of 122332978 is 879233221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 104919049 + 17413929 = 10243^2 + 4173^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30583243 + ... + 30583246.

Almost surely, 2^122332978 is an apocalyptic number.

122332978 is a deficient number, since it is larger than the sum of its proper divisors (61166492).

122332978 is an equidigital number, since it uses as much as digits as its factorization.

122332978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61166491.

The product of its digits is 36288, while the sum is 37.

The square root of 122332978 is about 11060.4239520915. The cubic root of 122332978 is about 496.4183758640.

The spelling of 122332978 in words is "one hundred twenty-two million, three hundred thirty-two thousand, nine hundred seventy-eight".