122136915 has 16 divisors (see below), whose sum is σ = 195667200. Its totient is φ = 65056992.

The previous prime is 122136881. The next prime is 122136947. The reversal of 122136915 is 519631221.

It is not a de Polignac number, because 122136915 - 2⁷ = 122136787 is a prime.

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, 8146 + ... + 17624.

It is an arithmetic number, because the mean of its divisors is an integer number (12229200).

Almost surely, 2^122136915 is an apocalyptic number.

122136915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122136915 is a deficient number, since it is larger than the sum of its proper divisors (73530285).

122136915 is an equidigital number, since it uses as much as digits as its factorization.

122136915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10346.

The product of its digits is 3240, while the sum is 30.

The square root of 122136915 is about 11051.5571301061. The cubic root of 122136915 is about 496.1530309001.

The spelling of 122136915 in words is "one hundred twenty-two million, one hundred thirty-six thousand, nine hundred fifteen".