125899684 has 12 divisors (see below), whose sum is σ = 225698508. Its totient is φ = 61414400.

The previous prime is 125899673. The next prime is 125899721. The reversal of 125899684 is 486998521.

It can be written as a sum of positive squares in 2 ways, for example, as 9734400 + 116165284 = 3120^2 + 10778^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383677 + ... + 384004.

It is an arithmetic number, because the mean of its divisors is an integer number (18808209).

Almost surely, 2^125899684 is an apocalyptic number.

It is an amenable number.

125899684 is a deficient number, since it is larger than the sum of its proper divisors (99798824).

125899684 is a wasteful number, since it uses less digits than its factorization.

125899684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767726 (or 767724 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 52.

The square root of 125899684 is about 11220.5028407821. The cubic root of 125899684 is about 501.1967121417.

The spelling of 125899684 in words is "one hundred twenty-five million, eight hundred ninety-nine thousand, six hundred eighty-four".