124140775431 has 16 divisors (see below), whose sum is σ = 169592357088. Its totient is φ = 80725670400.

The previous prime is 124140775427. The next prime is 124140775453. The reversal of 124140775431 is 134577041421.

It is not a de Polignac number, because 124140775431 - 2² = 124140775427 is a prime.

It is a super-2 number, since 2×124140775431² (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 124140775431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124140775471) 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, 525645 + ... + 724281.

It is an arithmetic number, because the mean of its divisors is an integer number (10599522318).

Almost surely, 2^124140775431 is an apocalyptic number.

124140775431 is a deficient number, since it is larger than the sum of its proper divisors (45451581657).

124140775431 is a wasteful number, since it uses less digits than its factorization.

124140775431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203762.

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 124140775431 in words is "one hundred twenty-four billion, one hundred forty million, seven hundred seventy-five thousand, four hundred thirty-one".