125884646 has 16 divisors (see below), whose sum is σ = 193233600. Its totient is φ = 61483968.

The previous prime is 125884639. The next prime is 125884651. The reversal of 125884646 is 646488521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125884597 and 125884606.

It is a congruent number.

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, 22850 + ... + 27818.

It is an arithmetic number, because the mean of its divisors is an integer number (12077100).

Almost surely, 2^125884646 is an apocalyptic number.

125884646 is a deficient number, since it is larger than the sum of its proper divisors (67348954).

125884646 is a wasteful number, since it uses less digits than its factorization.

125884646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263.

The product of its digits is 368640, while the sum is 44.

The square root of 125884646 is about 11219.8327082002. The cubic root of 125884646 is about 501.1767563165.

The spelling of 125884646 in words is "one hundred twenty-five million, eight hundred eighty-four thousand, six hundred forty-six".