122515122 has 16 divisors (see below), whose sum is σ = 246961152. Its totient is φ = 40516560.

The previous prime is 122515109. The next prime is 122515123. The reversal of 122515122 is 221515221.

It is not an unprimeable number, because it can be changed into a prime (122515123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79629 + ... + 81152.

It is an arithmetic number, because the mean of its divisors is an integer number (15435072).

Almost surely, 2^122515122 is an apocalyptic number.

122515122 is an abundant number, since it is smaller than the sum of its proper divisors (124446030).

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

122515122 is a wasteful number, since it uses less digits than its factorization.

122515122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160913.

The product of its digits is 400, while the sum is 21.

The square root of 122515122 is about 11068.6549318334. The cubic root of 122515122 is about 496.6646294127.

Subtracting 122515122 from its reverse (221515221), we obtain a palindrome (99000099).

The spelling of 122515122 in words is "one hundred twenty-two million, five hundred fifteen thousand, one hundred twenty-two".