125835966 has 36 divisors (see below), whose sum is σ = 275855112. Its totient is φ = 41457024.

The previous prime is 125835961. The next prime is 125835973. The reversal of 125835966 is 669538521.

125835966 is a `hidden beast` number, since 1 + 2 + 58 + 3 + 596 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125835961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 168991 + ... + 169733.

It is an arithmetic number, because the mean of its divisors is an integer number (7662642).

Almost surely, 2^125835966 is an apocalyptic number.

125835966 is an abundant number, since it is smaller than the sum of its proper divisors (150019146).

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

125835966 is an equidigital number, since it uses as much as digits as its factorization.

125835966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 845 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 125835966 is about 11217.6631256247. The cubic root of 125835966 is about 501.1121457628.

The spelling of 125835966 in words is "one hundred twenty-five million, eight hundred thirty-five thousand, nine hundred sixty-six".