124693631 has 4 divisors (see below), whose sum is σ = 124719600. Its totient is φ = 124667664.

The previous prime is 124693619. The next prime is 124693643. The reversal of 124693631 is 136396421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (124693619) and next prime (124693643).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124693631 is a prime.

It is a super-2 number, since 2×124693631² = 31097003223928322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124693591 and 124693600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124693601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3446 + ... + 16163.

It is an arithmetic number, because the mean of its divisors is an integer number (31179900).

Almost surely, 2^124693631 is an apocalyptic number.

124693631 is a deficient number, since it is larger than the sum of its proper divisors (25969).

124693631 is an equidigital number, since it uses as much as digits as its factorization.

124693631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25968.

The product of its digits is 23328, while the sum is 35.

The square root of 124693631 is about 11166.6302437217. The cubic root of 124693631 is about 499.5911738134.

The spelling of 124693631 in words is "one hundred twenty-four million, six hundred ninety-three thousand, six hundred thirty-one".