124877939 has 2 divisors, whose sum is σ = 124877940. Its totient is φ = 124877938.

The previous prime is 124877927. The next prime is 124877953. The reversal of 124877939 is 939778421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124877939 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124877959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62438969 + 62438970.

It is an arithmetic number, because the mean of its divisors is an integer number (62438970).

Almost surely, 2^124877939 is an apocalyptic number.

124877939 is a deficient number, since it is larger than the sum of its proper divisors (1).

124877939 is an equidigital number, since it uses as much as digits as its factorization.

124877939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 50.

The square root of 124877939 is about 11174.8798203829. The cubic root of 124877939 is about 499.8371989974.

The spelling of 124877939 in words is "one hundred twenty-four million, eight hundred seventy-seven thousand, nine hundred thirty-nine".