125243684 has 24 divisors (see below), whose sum is σ = 226865688. Its totient is φ = 60456960.

The previous prime is 125243659. The next prime is 125243693. The reversal of 125243684 is 486342521.

It can be written as a sum of positive squares in 4 ways, for example, as 5953600 + 119290084 = 2440^2 + 10922^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11972 + ... + 19844.

It is an arithmetic number, because the mean of its divisors is an integer number (9452737).

Almost surely, 2^125243684 is an apocalyptic number.

It is an amenable number.

125243684 is a deficient number, since it is larger than the sum of its proper divisors (101622004).

125243684 is a wasteful number, since it uses less digits than its factorization.

125243684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8015 (or 8013 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 125243684 is about 11191.2324611725. The cubic root of 125243684 is about 500.3247010928.

The spelling of 125243684 in words is "one hundred twenty-five million, two hundred forty-three thousand, six hundred eighty-four".