125615634 has 8 divisors (see below), whose sum is σ = 251231280. Its totient is φ = 41871876.

The previous prime is 125615621. The next prime is 125615663. The reversal of 125615634 is 436516521.

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

125615634 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 125615595 and 125615604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10467964 + ... + 10467975.

It is an arithmetic number, because the mean of its divisors is an integer number (31403910).

Almost surely, 2^125615634 is an apocalyptic number.

125615634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125615634 is a wasteful number, since it uses less digits than its factorization.

125615634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20935944.

The product of its digits is 21600, while the sum is 33.

The square root of 125615634 is about 11207.8380609286. The cubic root of 125615634 is about 500.8195014343.

The spelling of 125615634 in words is "one hundred twenty-five million, six hundred fifteen thousand, six hundred thirty-four".