125250566 has 20 divisors (see below), whose sum is σ = 219183852. Its totient is φ = 53676756.

The previous prime is 125250551. The next prime is 125250581. The reversal of 125250566 is 665052521.

It is an interprime number because it is at equal distance from previous prime (125250551) and next prime (125250581).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8240 + ... + 17843.

Almost surely, 2^125250566 is an apocalyptic number.

125250566 is a deficient number, since it is larger than the sum of its proper divisors (93933286).

125250566 is an frugal number, since it uses more digits than its factorization.

125250566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26113 (or 26092 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 125250566 is about 11191.5399297862. The cubic root of 125250566 is about 500.3338650187. Note that the first 3 decimals are identical.

The spelling of 125250566 in words is "one hundred twenty-five million, two hundred fifty thousand, five hundred sixty-six".