125000000039 has 2 divisors, whose sum is σ = 125000000040. Its totient is φ = 125000000038.

The previous prime is 125000000003. The next prime is 125000000057. The reversal of 125000000039 is 930000000521.

It is a strong prime.

It is an emirp because it is prime and its reverse (930000000521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125000000039 - 2²⁴ = 124983222823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125000000339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62500000019 + 62500000020.

It is an arithmetic number, because the mean of its divisors is an integer number (62500000020).

Almost surely, 2^125000000039 is an apocalyptic number.

125000000039 is a deficient number, since it is larger than the sum of its proper divisors (1).

125000000039 is an equidigital number, since it uses as much as digits as its factorization.

125000000039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 20.

The spelling of 125000000039 in words is "one hundred twenty-five billion, thirty-nine", and thus it is an aban number.