125726992 has 20 divisors (see below), whose sum is σ = 249538716. Its totient is φ = 61329920.

The previous prime is 125726959. The next prime is 125727011. The reversal of 125726992 is 299627521.

It can be written as a sum of positive squares in 2 ways, for example, as 45373696 + 80353296 = 6736^2 + 8964^2 .

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, 95173 + ... + 96484.

Almost surely, 2^125726992 is an apocalyptic number.

It is an amenable number.

125726992 is a deficient number, since it is larger than the sum of its proper divisors (123811724).

125726992 is a wasteful number, since it uses less digits than its factorization.

125726992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191706 (or 191700 counting only the distinct ones).

The product of its digits is 136080, while the sum is 43.

The square root of 125726992 is about 11212.8048230583. The cubic root of 125726992 is about 500.9674495421.

The spelling of 125726992 in words is "one hundred twenty-five million, seven hundred twenty-six thousand, nine hundred ninety-two".