125527666 has 8 divisors (see below), whose sum is σ = 205408944. Its totient is φ = 57058020.

The previous prime is 125527657. The next prime is 125527673. The reversal of 125527666 is 666725521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2852880 + ... + 2852923.

It is an arithmetic number, because the mean of its divisors is an integer number (25676118).

Almost surely, 2^125527666 is an apocalyptic number.

125527666 is a deficient number, since it is larger than the sum of its proper divisors (79881278).

125527666 is a wasteful number, since it uses less digits than its factorization.

125527666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5705816.

The product of its digits is 151200, while the sum is 40.

The square root of 125527666 is about 11203.9129771701. The cubic root of 125527666 is about 500.7025670035.

The spelling of 125527666 in words is "one hundred twenty-five million, five hundred twenty-seven thousand, six hundred sixty-six".