125075039 has 2 divisors, whose sum is σ = 125075040. Its totient is φ = 125075038.

The previous prime is 125075033. The next prime is 125075053. The reversal of 125075039 is 930570521.

It is a weak prime.

It is an emirp because it is prime and its reverse (930570521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125075039 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 125074996 and 125075014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125075033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62537519 + 62537520.

It is an arithmetic number, because the mean of its divisors is an integer number (62537520).

Almost surely, 2^125075039 is an apocalyptic number.

125075039 is a deficient number, since it is larger than the sum of its proper divisors (1).

125075039 is an equidigital number, since it uses as much as digits as its factorization.

125075039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 125075039 is about 11183.6952301107. The cubic root of 125075039 is about 500.1000319859.

The spelling of 125075039 in words is "one hundred twenty-five million, seventy-five thousand, thirty-nine".