122426520 has 64 divisors (see below), whose sum is σ = 388890720. Its totient is φ = 30726144.

The previous prime is 122426501. The next prime is 122426527. The reversal of 122426520 is 25624221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122426527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27967 + ... + 32046.

Almost surely, 2^122426520 is an apocalyptic number.

122426520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122426520 is an abundant number, since it is smaller than the sum of its proper divisors (266464200).

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

122426520 is a wasteful number, since it uses less digits than its factorization.

122426520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60044 (or 60040 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 122426520 is about 11064.6518246170. The cubic root of 122426520 is about 496.5448725175.

The spelling of 122426520 in words is "one hundred twenty-two million, four hundred twenty-six thousand, five hundred twenty".