126938915 has 24 divisors (see below), whose sum is σ = 163525392. Its totient is φ = 94568960.

The previous prime is 126938891. The next prime is 126938927. The reversal of 126938915 is 519839621.

It is a happy number.

It is not a de Polignac number, because 126938915 - 2²⁶ = 59830051 is a prime.

It is a super-2 number, since 2×126938915² = 32226976282754450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154205 + ... + 155025.

It is an arithmetic number, because the mean of its divisors is an integer number (6813558).

Almost surely, 2^126938915 is an apocalyptic number.

126938915 is a deficient number, since it is larger than the sum of its proper divisors (36586477).

126938915 is a wasteful number, since it uses less digits than its factorization.

126938915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 950 counting only the distinct ones).

The product of its digits is 116640, while the sum is 44.

The square root of 126938915 is about 11266.7171349954. The cubic root of 126938915 is about 502.5719672838.

The spelling of 126938915 in words is "one hundred twenty-six million, nine hundred thirty-eight thousand, nine hundred fifteen".