125676642 has 64 divisors (see below), whose sum is σ = 317769984. Its totient is φ = 32244480.

The previous prime is 125676619. The next prime is 125676713. The reversal of 125676642 is 246676521.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 125676642.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17092 + ... + 23312.

It is an arithmetic number, because the mean of its divisors is an integer number (4965156).

Almost surely, 2^125676642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125676642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158884992).

125676642 is an abundant number, since it is smaller than the sum of its proper divisors (192093342).

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

125676642 is a wasteful number, since it uses less digits than its factorization.

125676642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6283.

The product of its digits is 120960, while the sum is 39.

The square root of 125676642 is about 11210.5593972825. The cubic root of 125676642 is about 500.9005663201.

The spelling of 125676642 in words is "one hundred twenty-five million, six hundred seventy-six thousand, six hundred forty-two".