124117913687 has 16 divisors (see below), whose sum is σ = 134367615360. Its totient is φ = 114267700512.

The previous prime is 124117913681. The next prime is 124117913693. The reversal of 124117913687 is 786319711421.

It is an interprime number because it is at equal distance from previous prime (124117913681) and next prime (124117913693).

It is not a de Polignac number, because 124117913687 - 2¹⁰ = 124117912663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124117913681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224633 + ... + 546530.

It is an arithmetic number, because the mean of its divisors is an integer number (8397975960).

Almost surely, 2^124117913687 is an apocalyptic number.

124117913687 is a deficient number, since it is larger than the sum of its proper divisors (10249701673).

124117913687 is a wasteful number, since it uses less digits than its factorization.

124117913687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771422.

The product of its digits is 508032, while the sum is 50.

The spelling of 124117913687 in words is "one hundred twenty-four billion, one hundred seventeen million, nine hundred thirteen thousand, six hundred eighty-seven".