122656164 has 12 divisors (see below), whose sum is σ = 286197744. Its totient is φ = 40885384.

The previous prime is 122656159. The next prime is 122656169. The reversal of 122656164 is 461656221.

It is an interprime number because it is at equal distance from previous prime (122656159) and next prime (122656169).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (122656169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5110662 + ... + 5110685.

It is an arithmetic number, because the mean of its divisors is an integer number (23849812).

Almost surely, 2^122656164 is an apocalyptic number.

It is an amenable number.

122656164 is an abundant number, since it is smaller than the sum of its proper divisors (163541580).

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

122656164 is a wasteful number, since it uses less digits than its factorization.

122656164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221354 (or 10221352 counting only the distinct ones).

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

The square root of 122656164 is about 11075.0243340590. The cubic root of 122656164 is about 496.8551465981.

The spelling of 122656164 in words is "one hundred twenty-two million, six hundred fifty-six thousand, one hundred sixty-four".