124968215831 has 2 divisors, whose sum is σ = 124968215832. Its totient is φ = 124968215830.

The previous prime is 124968215753. The next prime is 124968215843. The reversal of 124968215831 is 138512869421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124968215831 - 2¹⁸ = 124967953687 is a prime.

It is a super-2 number, since 2×124968215831² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124968215831.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124968215851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62484107915 + 62484107916.

It is an arithmetic number, because the mean of its divisors is an integer number (62484107916).

Almost surely, 2^124968215831 is an apocalyptic number.

124968215831 is a deficient number, since it is larger than the sum of its proper divisors (1).

124968215831 is an equidigital number, since it uses as much as digits as its factorization.

124968215831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 50.

The spelling of 124968215831 in words is "one hundred twenty-four billion, nine hundred sixty-eight million, two hundred fifteen thousand, eight hundred thirty-one".