122752115715 has 16 divisors (see below), whose sum is σ = 200109110688. Its totient is φ = 64232553216.

The previous prime is 122752115669. The next prime is 122752115729. The reversal of 122752115715 is 517511257221.

It is not a de Polignac number, because 122752115715 - 2²² = 122747921411 is a prime.

It is a super-2 number, since 2×122752115715² (a number of 23 digits) contains 22 as substring.

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, 77201794 + ... + 77203383.

It is an arithmetic number, because the mean of its divisors is an integer number (12506819418).

Almost surely, 2^122752115715 is an apocalyptic number.

122752115715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122752115715 is a deficient number, since it is larger than the sum of its proper divisors (77356994973).

122752115715 is a wasteful number, since it uses less digits than its factorization.

122752115715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154405238.

The product of its digits is 49000, while the sum is 39.

The spelling of 122752115715 in words is "one hundred twenty-two billion, seven hundred fifty-two million, one hundred fifteen thousand, seven hundred fifteen".