125383566 has 32 divisors (see below), whose sum is σ = 312645888. Its totient is φ = 32567040.

The previous prime is 125383553. The next prime is 125383567. The reversal of 125383566 is 665383521.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125383567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135235 + ... + 136158.

It is an arithmetic number, because the mean of its divisors is an integer number (9770184).

Almost surely, 2^125383566 is an apocalyptic number.

125383566 is an abundant number, since it is smaller than the sum of its proper divisors (187262322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125383566 is a wasteful number, since it uses less digits than its factorization.

125383566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271416.

The product of its digits is 129600, while the sum is 39.

The square root of 125383566 is about 11197.4803415768. The cubic root of 125383566 is about 500.5108991197.

The spelling of 125383566 in words is "one hundred twenty-five million, three hundred eighty-three thousand, five hundred sixty-six".