125856650 has 12 divisors (see below), whose sum is σ = 234093462. Its totient is φ = 50342640.

The previous prime is 125856649. The next prime is 125856677. The reversal of 125856650 is 56658521.

It can be written as a sum of positive squares in 3 ways, for example, as 75290329 + 50566321 = 8677^2 + 7111^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1258517 + ... + 1258616.

Almost surely, 2^125856650 is an apocalyptic number.

125856650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125856650 is a deficient number, since it is larger than the sum of its proper divisors (108236812).

125856650 is a wasteful number, since it uses less digits than its factorization.

125856650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517145 (or 2517140 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 125856650 is about 11218.5850266422. The cubic root of 125856650 is about 501.1396006474.

The spelling of 125856650 in words is "one hundred twenty-five million, eight hundred fifty-six thousand, six hundred fifty".