125684784 has 50 divisors (see below), whose sum is σ = 363771980. Its totient is φ = 41894496.

The previous prime is 125684777. The next prime is 125684789. The reversal of 125684784 is 487486521.

125684784 is a `hidden beast` number, since 1 + 2 + 568 + 4 + 7 + 84 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (125684789) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 47194 + ... + 49785.

Almost surely, 2^125684784 is an apocalyptic number.

It is an amenable number.

125684784 is an abundant number, since it is smaller than the sum of its proper divisors (238087196).

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

125684784 is an equidigital number, since it uses as much as digits as its factorization.

125684784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96999 (or 96984 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 125684784 is about 11210.9225311747. The cubic root of 125684784 is about 500.9113830857.

The spelling of 125684784 in words is "one hundred twenty-five million, six hundred eighty-four thousand, seven hundred eighty-four".