124491985317 has 32 divisors (see below), whose sum is σ = 211034604800. Its totient is φ = 71052375744.

The previous prime is 124491985273. The next prime is 124491985333. The reversal of 124491985317 is 713589194421.

124491985317 is a `hidden beast` number, since 1 + 2 + 4 + 491 + 98 + 53 + 17 = 666.

It is not a de Polignac number, because 124491985317 - 2¹⁰ = 124491984293 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 (124491985817) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 240598 + ... + 553959.

It is an arithmetic number, because the mean of its divisors is an integer number (6594831400).

Almost surely, 2^124491985317 is an apocalyptic number.

It is an amenable number.

124491985317 is a deficient number, since it is larger than the sum of its proper divisors (86542619483).

124491985317 is an equidigital number, since it uses as much as digits as its factorization.

124491985317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795402 (or 795396 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The spelling of 124491985317 in words is "one hundred twenty-four billion, four hundred ninety-one million, nine hundred eighty-five thousand, three hundred seventeen".