122942664 has 64 divisors (see below), whose sum is σ = 367785600. Its totient is φ = 37827648.

The previous prime is 122942653. The next prime is 122942693. The reversal of 122942664 is 466249221.

122942664 is a `hidden beast` number, since 1 + 229 + 426 + 6 + 4 = 666.

It is a super-2 number, since 2×122942664² = 30229797262833792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19084 + ... + 24699.

It is an arithmetic number, because the mean of its divisors is an integer number (5746650).

Almost surely, 2^122942664 is an apocalyptic number.

It is an amenable number.

122942664 is an abundant number, since it is smaller than the sum of its proper divisors (244842936).

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

122942664 is a wasteful number, since it uses less digits than its factorization.

122942664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43811 (or 43801 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 122942664 is about 11087.9512985943. The cubic root of 122942664 is about 497.2416968418.

The spelling of 122942664 in words is "one hundred twenty-two million, nine hundred forty-two thousand, six hundred sixty-four".