128625762 has 8 divisors (see below), whose sum is σ = 257251536. Its totient is φ = 42875252.

The previous prime is 128625713. The next prime is 128625769. The reversal of 128625762 is 267526821.

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

128625762 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 128625762.

It is not an unprimeable number, because it can be changed into a prime (128625769) 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, 10718808 + ... + 10718819.

It is an arithmetic number, because the mean of its divisors is an integer number (32156442).

Almost surely, 2^128625762 is an apocalyptic number.

128625762 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.

128625762 is a wasteful number, since it uses less digits than its factorization.

128625762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21437632.

The product of its digits is 80640, while the sum is 39.

The square root of 128625762 is about 11341.3298162076. The cubic root of 128625762 is about 504.7883464257.

The spelling of 128625762 in words is "one hundred twenty-eight million, six hundred twenty-five thousand, seven hundred sixty-two".