124930917 has 28 divisors (see below), whose sum is σ = 195480864. Its totient is φ = 79655400.

The previous prime is 124930903. The next prime is 124930921. The reversal of 124930917 is 719039421.

It is not a de Polignac number, because 124930917 - 2¹⁶ = 124865381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124930997) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 13042 + ... + 20492.

Almost surely, 2^124930917 is an apocalyptic number.

124930917 is the 5589-th decagonal number.

It is an amenable number.

124930917 is a deficient number, since it is larger than the sum of its proper divisors (70549947).

124930917 is an frugal number, since it uses more digits than its factorization.

124930917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7492 (or 7477 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 124930917 is about 11177.2499748373. The cubic root of 124930917 is about 499.9078723594.

The spelling of 124930917 in words is "one hundred twenty-four million, nine hundred thirty thousand, nine hundred seventeen".