125905896 has 48 divisors (see below), whose sum is σ = 342072900. Its totient is φ = 41836032.

The previous prime is 125905889. The next prime is 125905939. The reversal of 125905896 is 698509521.

125905896 is a `hidden beast` number, since 1 + 2 + 590 + 58 + 9 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 125753796 + 152100 = 11214^2 + 390^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21670 + ... + 26858.

Almost surely, 2^125905896 is an apocalyptic number.

It is an amenable number.

125905896 is an abundant number, since it is smaller than the sum of its proper divisors (216167004).

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

125905896 is a wasteful number, since it uses less digits than its factorization.

125905896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5538 (or 5531 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 125905896 is about 11220.7796520563. The cubic root of 125905896 is about 501.2049551668.

The spelling of 125905896 in words is "one hundred twenty-five million, nine hundred five thousand, eight hundred ninety-six".