122694656 has 44 divisors (see below), whose sum is σ = 280324368. Its totient is φ = 52580352.

The previous prime is 122694641. The next prime is 122694697. The reversal of 122694656 is 656496221.

It is a happy number.

It is a super-2 number, since 2×122694656² = 30107957221916672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391 + ... + 15726.

Almost surely, 2^122694656 is an apocalyptic number.

122694656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122694656 is an abundant number, since it is smaller than the sum of its proper divisors (157629712).

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

122694656 is an equidigital number, since it uses as much as digits as its factorization.

122694656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17144 (or 17126 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 122694656 is about 11076.7619817346. The cubic root of 122694656 is about 496.9071155804.

The spelling of 122694656 in words is "one hundred twenty-two million, six hundred ninety-four thousand, six hundred fifty-six".