115715122 has 4 divisors (see below), whose sum is σ = 173572686. Its totient is φ = 57857560.

The previous prime is 115715113. The next prime is 115715129. The reversal of 115715122 is 221517511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 78517321 + 37197801 = 8861^2 + 6099^2 .

It is not an unprimeable number, because it can be changed into a prime (115715129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28928779 + ... + 28928782.

Almost surely, 2^115715122 is an apocalyptic number.

115715122 is a deficient number, since it is larger than the sum of its proper divisors (57857564).

115715122 is an equidigital number, since it uses as much as digits as its factorization.

115715122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57857563.

The product of its digits is 700, while the sum is 25.

The square root of 115715122 is about 10757.0963554297. The cubic root of 115715122 is about 487.3003304157.

The spelling of 115715122 in words is "one hundred fifteen million, seven hundred fifteen thousand, one hundred twenty-two".