125005039 has 8 divisors (see below), whose sum is σ = 126658080. Its totient is φ = 123357696.

The previous prime is 125005019. The next prime is 125005061. The reversal of 125005039 is 930500521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125005039 - 2⁷ = 125004911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125005019) 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 in 7 ways as a sum of consecutive naturals, for example, 58854 + ... + 60940.

It is an arithmetic number, because the mean of its divisors is an integer number (15832260).

Almost surely, 2^125005039 is an apocalyptic number.

125005039 is a deficient number, since it is larger than the sum of its proper divisors (1653041).

125005039 is an equidigital number, since it uses as much as digits as its factorization.

125005039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 125005039 is about 11180.5652361587. The cubic root of 125005039 is about 500.0067185764.

The spelling of 125005039 in words is "one hundred twenty-five million, five thousand, thirty-nine".