124039879 has 2 divisors, whose sum is σ = 124039880. Its totient is φ = 124039878.

The previous prime is 124039841. The next prime is 124039919. The reversal of 124039879 is 978930421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124039879 - 2⁹ = 124039367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124039819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62019939 + 62019940.

It is an arithmetic number, because the mean of its divisors is an integer number (62019940).

Almost surely, 2^124039879 is an apocalyptic number.

124039879 is a deficient number, since it is larger than the sum of its proper divisors (1).

124039879 is an equidigital number, since it uses as much as digits as its factorization.

124039879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 124039879 is about 11137.3192016751. The cubic root of 124039879 is about 498.7165469823.

The spelling of 124039879 in words is "one hundred twenty-four million, thirty-nine thousand, eight hundred seventy-nine".