122164656 has 40 divisors (see below), whose sum is σ = 322312704. Its totient is φ = 39854400.

The previous prime is 122164649. The next prime is 122164657. The reversal of 122164656 is 656461221.

It is not an unprimeable number, because it can be changed into a prime (122164657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24820 + ... + 29331.

Almost surely, 2^122164656 is an apocalyptic number.

122164656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122164656 is an abundant number, since it is smaller than the sum of its proper divisors (200148048).

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

122164656 is a wasteful number, since it uses less digits than its factorization.

122164656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54209 (or 54203 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 122164656 is about 11052.8121308561. The cubic root of 122164656 is about 496.1905918600.

The spelling of 122164656 in words is "one hundred twenty-two million, one hundred sixty-four thousand, six hundred fifty-six".