122644356 has 24 divisors (see below), whose sum is σ = 287773920. Its totient is φ = 40652352.

The previous prime is 122644337. The next prime is 122644367. The reversal of 122644356 is 653446221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26401 + ... + 30696.

It is an arithmetic number, because the mean of its divisors is an integer number (11990580).

Almost surely, 2^122644356 is an apocalyptic number.

It is an amenable number.

122644356 is an abundant number, since it is smaller than the sum of its proper divisors (165129564).

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

122644356 is a wasteful number, since it uses less digits than its factorization.

122644356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57283 (or 57281 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 122644356 is about 11074.4912298489. The cubic root of 122644356 is about 496.8392021518.

The spelling of 122644356 in words is "one hundred twenty-two million, six hundred forty-four thousand, three hundred fifty-six".