125250139 has 8 divisors (see below), whose sum is σ = 143428320. Its totient is φ = 107143296.

The previous prime is 125250133. The next prime is 125250161. The reversal of 125250139 is 931052521.

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 125250139 - 2⁵ = 125250107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125250133) 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 in 7 ways as a sum of consecutive naturals, for example, 14014 + ... + 21139.

It is an arithmetic number, because the mean of its divisors is an integer number (17928540).

Almost surely, 2^125250139 is an apocalyptic number.

125250139 is a deficient number, since it is larger than the sum of its proper divisors (18178181).

125250139 is an equidigital number, since it uses as much as digits as its factorization.

125250139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35669.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 125250139 is about 11191.5208528600. The cubic root of 125250139 is about 500.3332964443. Note that the first 3 decimals are identical.

The spelling of 125250139 in words is "one hundred twenty-five million, two hundred fifty thousand, one hundred thirty-nine".