122777968 has 20 divisors (see below), whose sum is σ = 238107528. Its totient is φ = 61330880.

The previous prime is 122777953. The next prime is 122777971. The reversal of 122777968 is 869777221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17538 + ... + 23518.

Almost surely, 2^122777968 is an apocalyptic number.

It is an amenable number.

122777968 is a deficient number, since it is larger than the sum of its proper divisors (115329560).

122777968 is a wasteful number, since it uses less digits than its factorization.

122777968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7272 (or 7266 counting only the distinct ones).

The product of its digits is 592704, while the sum is 49.

The square root of 122777968 is about 11080.5220093640. The cubic root of 122777968 is about 497.0195599210.

The spelling of 122777968 in words is "one hundred twenty-two million, seven hundred seventy-seven thousand, nine hundred sixty-eight".