124624139 has 2 divisors, whose sum is σ = 124624140. Its totient is φ = 124624138.

The previous prime is 124624063. The next prime is 124624141. The reversal of 124624139 is 931426421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124624139 - 2¹² = 124620043 is a prime.

Together with 124624141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124624639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62312069 + 62312070.

It is an arithmetic number, because the mean of its divisors is an integer number (62312070).

Almost surely, 2^124624139 is an apocalyptic number.

124624139 is a deficient number, since it is larger than the sum of its proper divisors (1).

124624139 is an equidigital number, since it uses as much as digits as its factorization.

124624139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 124624139 is about 11163.5182178380. The cubic root of 124624139 is about 499.4983488606.

The spelling of 124624139 in words is "one hundred twenty-four million, six hundred twenty-four thousand, one hundred thirty-nine".