122417628 has 24 divisors (see below), whose sum is σ = 286273680. Its totient is φ = 40715520.

The previous prime is 122417599. The next prime is 122417639. The reversal of 122417628 is 826714221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5533 + ... + 16596.

It is an arithmetic number, because the mean of its divisors is an integer number (11928070).

Almost surely, 2^122417628 is an apocalyptic number.

It is an amenable number.

122417628 is an abundant number, since it is smaller than the sum of its proper divisors (163856052).

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

122417628 is a wasteful number, since it uses less digits than its factorization.

122417628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22597 (or 22595 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 122417628 is about 11064.2499971756. The cubic root of 122417628 is about 496.5328506562.

The spelling of 122417628 in words is "one hundred twenty-two million, four hundred seventeen thousand, six hundred twenty-eight".