124839131 has 8 divisors (see below), whose sum is σ = 126568128. Its totient is φ = 123120000.

The previous prime is 124839089. The next prime is 124839133. The reversal of 124839131 is 131938421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124839131 is a prime.

It is a super-2 number, since 2×124839131² = 31169617257670322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124839133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25091 + ... + 29651.

It is an arithmetic number, because the mean of its divisors is an integer number (15821016).

Almost surely, 2^124839131 is an apocalyptic number.

124839131 is a deficient number, since it is larger than the sum of its proper divisors (1728997).

124839131 is a wasteful number, since it uses less digits than its factorization.

124839131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933.

The product of its digits is 5184, while the sum is 32.

The square root of 124839131 is about 11173.1432909455. The cubic root of 124839131 is about 499.7854159205.

The spelling of 124839131 in words is "one hundred twenty-four million, eight hundred thirty-nine thousand, one hundred thirty-one".