10125139 has 4 divisors (see below), whose sum is σ = 10214856. Its totient is φ = 10035424.

The previous prime is 10125131. The next prime is 10125169. The reversal of 10125139 is 93152101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10125139 - 2³ = 10125131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10125131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44689 + ... + 44914.

It is an arithmetic number, because the mean of its divisors is an integer number (2553714).

Almost surely, 2^10125139 is an apocalyptic number.

10125139 is a deficient number, since it is larger than the sum of its proper divisors (89717).

10125139 is an equidigital number, since it uses as much as digits as its factorization.

10125139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89716.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 10125139 is about 3182.0023570073. The cubic root of 10125139 is about 216.3384255302.

The spelling of 10125139 in words is "ten million, one hundred twenty-five thousand, one hundred thirty-nine".