122256672 has 24 divisors (see below), whose sum is σ = 320924016. Its totient is φ = 40752192.

The previous prime is 122256623. The next prime is 122256727. The reversal of 122256672 is 276652221.

It is a tau number, because it is divible by the number of its divisors (24).

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, 636658 + ... + 636849.

It is an arithmetic number, because the mean of its divisors is an integer number (13371834).

Almost surely, 2^122256672 is an apocalyptic number.

122256672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122256672 is an abundant number, since it is smaller than the sum of its proper divisors (198667344).

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

122256672 is a wasteful number, since it uses less digits than its factorization.

122256672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273520 (or 1273512 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 122256672 is about 11056.9739079008. The cubic root of 122256672 is about 496.3151396535.

The spelling of 122256672 in words is "one hundred twenty-two million, two hundred fifty-six thousand, six hundred seventy-two".