122656716 has 72 divisors (see below), whose sum is σ = 381608864. Its totient is φ = 32348160.

The previous prime is 122656697. The next prime is 122656753. The reversal of 122656716 is 617656221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 15445 + ... + 21996.

Almost surely, 2^122656716 is an apocalyptic number.

It is an amenable number.

122656716 is an abundant number, since it is smaller than the sum of its proper divisors (258952148).

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

122656716 is a wasteful number, since it uses less digits than its factorization.

122656716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37471 (or 37466 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 122656716 is about 11075.0492549695. The cubic root of 122656716 is about 496.8558919435.

It can be divided in two parts, 12265 and 6716, that added together give a palindrome (18981).

The spelling of 122656716 in words is "one hundred twenty-two million, six hundred fifty-six thousand, seven hundred sixteen".