122615115 has 16 divisors (see below), whose sum is σ = 224210688. Its totient is φ = 56052576.

The previous prime is 122615099. The next prime is 122615117. The reversal of 122615115 is 511516221.

It is not a de Polignac number, because 122615115 - 2⁴ = 122615099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122615117) 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 15 ways as a sum of consecutive naturals, for example, 583777 + ... + 583986.

It is an arithmetic number, because the mean of its divisors is an integer number (14013168).

Almost surely, 2^122615115 is an apocalyptic number.

122615115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122615115 is a deficient number, since it is larger than the sum of its proper divisors (101595573).

122615115 is a wasteful number, since it uses less digits than its factorization.

122615115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167778.

The product of its digits is 600, while the sum is 24.

The square root of 122615115 is about 11073.1709550607. The cubic root of 122615115 is about 496.7997133667.

The spelling of 122615115 in words is "one hundred twenty-two million, six hundred fifteen thousand, one hundred fifteen".