122752665 has 112 divisors (see below), whose sum is σ = 268195968. Its totient is φ = 52627968.

The previous prime is 122752657. The next prime is 122752667. The reversal of 122752665 is 566257221.

122752665 is a `hidden beast` number, since 122 + 7 + 526 + 6 + 5 = 666.

It is not a de Polignac number, because 122752665 - 2³ = 122752657 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (50400) is a multiple of the sum of its prime divisors (315).

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (122752667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 433614 + ... + 433896.

Almost surely, 2^122752665 is an apocalyptic number.

122752665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122752665 is an abundant number, since it is smaller than the sum of its proper divisors (145443303).

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

122752665 is an equidigital number, since it uses as much as digits as its factorization.

122752665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 315 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 122752665 is about 11079.3801721937. The cubic root of 122752665 is about 496.9854144084.

The spelling of 122752665 in words is "one hundred twenty-two million, seven hundred fifty-two thousand, six hundred sixty-five".