124000039 has 2 divisors, whose sum is σ = 124000040. Its totient is φ = 124000038.

The previous prime is 124000021. The next prime is 124000067. The reversal of 124000039 is 930000421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124000039 - 2¹⁷ = 123868967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124000139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62000019 + 62000020.

It is an arithmetic number, because the mean of its divisors is an integer number (62000020).

Almost surely, 2^124000039 is an apocalyptic number.

124000039 is a deficient number, since it is larger than the sum of its proper divisors (1).

124000039 is an equidigital number, since it uses as much as digits as its factorization.

124000039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 124000039 is about 11135.5304768116. The cubic root of 124000039 is about 498.6631475031.

The spelling of 124000039 in words is "one hundred twenty-four million, thirty-nine", and thus it is an aban number.