122256984 has 32 divisors (see below), whose sum is σ = 306040320. Its totient is φ = 40699296.

The previous prime is 122256973. The next prime is 122257007. The reversal of 122256984 is 489652221.

It is a congruent number.

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, 18417 + ... + 24159.

It is an arithmetic number, because the mean of its divisors is an integer number (9563760).

Almost surely, 2^122256984 is an apocalyptic number.

It is an amenable number.

122256984 is an abundant number, since it is smaller than the sum of its proper divisors (183783336).

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

122256984 is a wasteful number, since it uses less digits than its factorization.

122256984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639 (or 6635 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 122256984 is about 11056.9880166345. The cubic root of 122256984 is about 496.3155618532.

The spelling of 122256984 in words is "one hundred twenty-two million, two hundred fifty-six thousand, nine hundred eighty-four".