125450666 has 16 divisors (see below), whose sum is σ = 208349280. Its totient is φ = 56171280.

The previous prime is 125450653. The next prime is 125450687. The reversal of 125450666 is 666054521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41081 + ... + 44028.

It is an arithmetic number, because the mean of its divisors is an integer number (13021830).

Almost surely, 2^125450666 is an apocalyptic number.

125450666 is a deficient number, since it is larger than the sum of its proper divisors (82898614).

125450666 is a wasteful number, since it uses less digits than its factorization.

125450666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85189.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 125450666 is about 11200.4761505929. The cubic root of 125450666 is about 500.6001673102.

The spelling of 125450666 in words is "one hundred twenty-five million, four hundred fifty thousand, six hundred sixty-six".