122236915 has 4 divisors (see below), whose sum is σ = 146684304. Its totient is φ = 97789528.

The previous prime is 122236913. The next prime is 122236931. The reversal of 122236915 is 519632221.

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

It is a cyclic number.

It is not a de Polignac number, because 122236915 - 2¹ = 122236913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122236913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12223687 + ... + 12223696.

It is an arithmetic number, because the mean of its divisors is an integer number (36671076).

Almost surely, 2^122236915 is an apocalyptic number.

122236915 is a deficient number, since it is larger than the sum of its proper divisors (24447389).

122236915 is an equidigital number, since it uses as much as digits as its factorization.

122236915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24447388.

The product of its digits is 6480, while the sum is 31.

The square root of 122236915 is about 11056.0804537594. The cubic root of 122236915 is about 496.2884029355.

The spelling of 122236915 in words is "one hundred twenty-two million, two hundred thirty-six thousand, nine hundred fifteen".