122775982 has 16 divisors (see below), whose sum is σ = 210775680. Its totient is φ = 52542648.

The previous prime is 122775977. The next prime is 122775997. The reversal of 122775982 is 289577221.

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, 4413 + ... + 16279.

It is an arithmetic number, because the mean of its divisors is an integer number (13173480).

Almost surely, 2^122775982 is an apocalyptic number.

122775982 is a deficient number, since it is larger than the sum of its proper divisors (87999698).

122775982 is a wasteful number, since it uses less digits than its factorization.

122775982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12615.

The product of its digits is 141120, while the sum is 43.

The square root of 122775982 is about 11080.4323922851. The cubic root of 122775982 is about 497.0168800532.

The spelling of 122775982 in words is "one hundred twenty-two million, seven hundred seventy-five thousand, nine hundred eighty-two".