125731926 has 40 divisors (see below), whose sum is σ = 283026744. Its totient is φ = 41718240.

The previous prime is 125731913. The next prime is 125731937. The reversal of 125731926 is 629137521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36081 + ... + 39411.

Almost surely, 2^125731926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125731926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141513372).

125731926 is an abundant number, since it is smaller than the sum of its proper divisors (157294818).

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

125731926 is a wasteful number, since it uses less digits than its factorization.

125731926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578 (or 3569 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 125731926 is about 11213.0248372150. The cubic root of 125731926 is about 500.9740027386.

The spelling of 125731926 in words is "one hundred twenty-five million, seven hundred thirty-one thousand, nine hundred twenty-six".