125135727 has 8 divisors (see below), whose sum is σ = 167184000. Its totient is φ = 83255640.

The previous prime is 125135711. The next prime is 125135737. The reversal of 125135727 is 727531521.

It is a happy number.

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

It is not a de Polignac number, because 125135727 - 2⁴ = 125135711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125135707) 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, 40299 + ... + 43292.

It is an arithmetic number, because the mean of its divisors is an integer number (20898000).

Almost surely, 2^125135727 is an apocalyptic number.

125135727 is a deficient number, since it is larger than the sum of its proper divisors (42048273).

125135727 is an equidigital number, since it uses as much as digits as its factorization.

125135727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84093.

The product of its digits is 14700, while the sum is 33.

The square root of 125135727 is about 11186.4081366630. The cubic root of 125135727 is about 500.1809038730.

The spelling of 125135727 in words is "one hundred twenty-five million, one hundred thirty-five thousand, seven hundred twenty-seven".