122421936 has 80 divisors (see below), whose sum is σ = 389252864. Its totient is φ = 32285952.

The previous prime is 122421917. The next prime is 122421953. The reversal of 122421936 is 639124221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9646 + ... + 18381.

Almost surely, 2^122421936 is an apocalyptic number.

122421936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122421936 is an abundant number, since it is smaller than the sum of its proper divisors (266830928).

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

122421936 is a wasteful number, since it uses less digits than its factorization.

122421936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28058 (or 28052 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 122421936 is about 11064.4446765303. Note that the first 3 decimals coincide. The cubic root of 122421936 is about 496.5386750855.

The spelling of 122421936 in words is "one hundred twenty-two million, four hundred twenty-one thousand, nine hundred thirty-six".