124117879 has 2 divisors, whose sum is σ = 124117880. Its totient is φ = 124117878.

The previous prime is 124117849. The next prime is 124117949. The reversal of 124117879 is 978711421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124117879 - 2¹⁵ = 124085111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124117849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62058939 + 62058940.

It is an arithmetic number, because the mean of its divisors is an integer number (62058940).

Almost surely, 2^124117879 is an apocalyptic number.

124117879 is a deficient number, since it is larger than the sum of its proper divisors (1).

124117879 is an equidigital number, since it uses as much as digits as its factorization.

124117879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 40.

The square root of 124117879 is about 11140.8203916947. The cubic root of 124117879 is about 498.8210610574.

The spelling of 124117879 in words is "one hundred twenty-four million, one hundred seventeen thousand, eight hundred seventy-nine".