124322021931 has 16 divisors (see below), whose sum is σ = 168913361664. Its totient is φ = 81306442464.

The previous prime is 124322021927. The next prime is 124322022001. The reversal of 124322021931 is 139120223421.

It is not a de Polignac number, because 124322021931 - 2² = 124322021927 is a prime.

It is a super-2 number, since 2×124322021931² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124322021531) 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, 1207770 + ... + 1306656.

It is an arithmetic number, because the mean of its divisors is an integer number (10557085104).

Almost surely, 2^124322021931 is an apocalyptic number.

124322021931 is a deficient number, since it is larger than the sum of its proper divisors (44591339733).

124322021931 is an equidigital number, since it uses as much as digits as its factorization.

124322021931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106850.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 124322021931 in words is "one hundred twenty-four billion, three hundred twenty-two million, twenty-one thousand, nine hundred thirty-one".