125135187 has 8 divisors (see below), whose sum is σ = 166903440. Its totient is φ = 83395200.

The previous prime is 125135149. The next prime is 125135191. The reversal of 125135187 is 781531521.

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

It is not a de Polignac number, because 125135187 - 2²³ = 116746579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125135107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7639 + ... + 17567.

It is an arithmetic number, because the mean of its divisors is an integer number (20862930).

Almost surely, 2^125135187 is an apocalyptic number.

125135187 is a deficient number, since it is larger than the sum of its proper divisors (41768253).

125135187 is an equidigital number, since it uses as much as digits as its factorization.

125135187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14133.

The product of its digits is 8400, while the sum is 33.

The square root of 125135187 is about 11186.3840002031. The cubic root of 125135187 is about 500.1801843927.

The spelling of 125135187 in words is "one hundred twenty-five million, one hundred thirty-five thousand, one hundred eighty-seven".