124979867 has 2 divisors, whose sum is σ = 124979868. Its totient is φ = 124979866.

The previous prime is 124979863. The next prime is 124979893. The reversal of 124979867 is 768979421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124979867 - 2² = 124979863 is a prime.

It is not a weakly prime, because it can be changed into another prime (124979863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62489933 + 62489934.

It is an arithmetic number, because the mean of its divisors is an integer number (62489934).

Almost surely, 2^124979867 is an apocalyptic number.

124979867 is a deficient number, since it is larger than the sum of its proper divisors (1).

124979867 is an equidigital number, since it uses as much as digits as its factorization.

124979867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 53.

The square root of 124979867 is about 11179.4394761097. The cubic root of 124979867 is about 499.9731545587.

The spelling of 124979867 in words is "one hundred twenty-four million, nine hundred seventy-nine thousand, eight hundred sixty-seven".