125621692 has 96 divisors (see below), whose sum is σ = 277760000. Its totient is φ = 49533120.

The previous prime is 125621659. The next prime is 125621731. The reversal of 125621692 is 296126521.

It is a happy number.

It is a congruent number.

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, 1590109 + ... + 1590187.

Almost surely, 2^125621692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125621692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138880000).

125621692 is an abundant number, since it is smaller than the sum of its proper divisors (152138308).

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

125621692 is a wasteful number, since it uses less digits than its factorization.

125621692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 168 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 125621692 is about 11208.1083149656. The cubic root of 125621692 is about 500.8275522256.

The spelling of 125621692 in words is "one hundred twenty-five million, six hundred twenty-one thousand, six hundred ninety-two".