125136087 has 8 divisors (see below), whose sum is σ = 168325104. Its totient is φ = 82685568.

The previous prime is 125136049. The next prime is 125136103. The reversal of 125136087 is 780631521.

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

It is not a de Polignac number, because 125136087 - 2⁶ = 125136023 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125136007) 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, 184228 + ... + 184905.

It is an arithmetic number, because the mean of its divisors is an integer number (21040638).

Almost surely, 2^125136087 is an apocalyptic number.

125136087 is a deficient number, since it is larger than the sum of its proper divisors (43189017).

125136087 is a wasteful number, since it uses less digits than its factorization.

125136087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369249.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 125136087 is about 11186.4242276073. The cubic root of 125136087 is about 500.1813835254.

The spelling of 125136087 in words is "one hundred twenty-five million, one hundred thirty-six thousand, eighty-seven".