122665660 has 24 divisors (see below), whose sum is σ = 277413696. Its totient is φ = 45291840.

The previous prime is 122665643. The next prime is 122665703. The reversal of 122665660 is 66566221.

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, 235636 + ... + 236155.

It is an arithmetic number, because the mean of its divisors is an integer number (11558904).

Almost surely, 2^122665660 is an apocalyptic number.

122665660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122665660 is an abundant number, since it is smaller than the sum of its proper divisors (154748036).

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

122665660 is a wasteful number, since it uses less digits than its factorization.

122665660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471813 (or 471811 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 122665660 is about 11075.4530381380. The cubic root of 122665660 is about 496.8679683880.

The spelling of 122665660 in words is "one hundred twenty-two million, six hundred sixty-five thousand, six hundred sixty".