124704838631 has 4 divisors (see below), whose sum is σ = 132040417392. Its totient is φ = 117369259872.

The previous prime is 124704838613. The next prime is 124704838663. The reversal of 124704838631 is 136838407421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136838407421 = 653 ⋅209553457.

It is a cyclic number.

It is not a de Polignac number, because 124704838631 - 2¹⁴ = 124704822247 is a prime.

It is a super-2 number, since 2×124704838631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124704838681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3667789355 + ... + 3667789388.

It is an arithmetic number, because the mean of its divisors is an integer number (33010104348).

Almost surely, 2^124704838631 is an apocalyptic number.

124704838631 is a deficient number, since it is larger than the sum of its proper divisors (7335578761).

124704838631 is an equidigital number, since it uses as much as digits as its factorization.

124704838631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335578760.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 124704838631 in words is "one hundred twenty-four billion, seven hundred four million, eight hundred thirty-eight thousand, six hundred thirty-one".