125148566 has 16 divisors (see below), whose sum is σ = 196992000. Its totient is φ = 59515368.

The previous prime is 125148559. The next prime is 125148571. The reversal of 125148566 is 665841521.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 635 + ... + 15833.

It is an arithmetic number, because the mean of its divisors is an integer number (12312000).

Almost surely, 2^125148566 is an apocalyptic number.

125148566 is a deficient number, since it is larger than the sum of its proper divisors (71843434).

125148566 is a wasteful number, since it uses less digits than its factorization.

125148566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15403.

The product of its digits is 57600, while the sum is 38.

The square root of 125148566 is about 11186.9819880073. The cubic root of 125148566 is about 500.1980095741.

The spelling of 125148566 in words is "one hundred twenty-five million, one hundred forty-eight thousand, five hundred sixty-six".