124001542139 has 2 divisors, whose sum is σ = 124001542140. Its totient is φ = 124001542138.

The previous prime is 124001542123. The next prime is 124001542151. The reversal of 124001542139 is 931245100421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124001542139 - 2⁴ = 124001542123 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (124001542109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62000771069 + 62000771070.

It is an arithmetic number, because the mean of its divisors is an integer number (62000771070).

Almost surely, 2^124001542139 is an apocalyptic number.

124001542139 is a deficient number, since it is larger than the sum of its proper divisors (1).

124001542139 is an equidigital number, since it uses as much as digits as its factorization.

124001542139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 124001542139 in words is "one hundred twenty-four billion, one million, five hundred forty-two thousand, one hundred thirty-nine".