106131915 has 12 divisors (see below), whose sum is σ = 183962064. Its totient is φ = 56603664.

The previous prime is 106131899. The next prime is 106131919. The reversal of 106131915 is 519131601.

It is not a de Polignac number, because 106131915 - 2⁴ = 106131899 is a prime.

It is a super-2 number, since 2×106131915² = 22527966763134450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106131919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1179199 + ... + 1179288.

It is an arithmetic number, because the mean of its divisors is an integer number (15330172).

Almost surely, 2^106131915 is an apocalyptic number.

106131915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106131915 is a deficient number, since it is larger than the sum of its proper divisors (77830149).

106131915 is a wasteful number, since it uses less digits than its factorization.

106131915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358498 (or 2358495 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 106131915 is about 10302.0345078048. The cubic root of 106131915 is about 473.4585897542.

The spelling of 106131915 in words is "one hundred six million, one hundred thirty-one thousand, nine hundred fifteen".