122765415117 has 16 divisors (see below), whose sum is σ = 164224220160. Its totient is φ = 81575550000.

The previous prime is 122765415109. The next prime is 122765415193. The reversal of 122765415117 is 711514567221.

It is not a de Polignac number, because 122765415117 - 2³ = 122765415109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122765415107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1074492 + ... + 1183242.

It is an arithmetic number, because the mean of its divisors is an integer number (10264013760).

Almost surely, 2^122765415117 is an apocalyptic number.

It is an amenable number.

122765415117 is a deficient number, since it is larger than the sum of its proper divisors (41458805043).

122765415117 is a wasteful number, since it uses less digits than its factorization.

122765415117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109984.

The product of its digits is 117600, while the sum is 42.

The spelling of 122765415117 in words is "one hundred twenty-two billion, seven hundred sixty-five million, four hundred fifteen thousand, one hundred seventeen".