125647284 has 48 divisors (see below), whose sum is σ = 335881728. Its totient is φ = 35811168.

The previous prime is 125647273. The next prime is 125647297. The reversal of 125647284 is 482746521.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37627 + ... + 40829.

It is an arithmetic number, because the mean of its divisors is an integer number (6997536).

Almost surely, 2^125647284 is an apocalyptic number.

125647284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125647284 is an abundant number, since it is smaller than the sum of its proper divisors (210234444).

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

125647284 is a wasteful number, since it uses less digits than its factorization.

125647284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684 (or 3682 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 125647284 is about 11209.2499303031. The cubic root of 125647284 is about 500.8615599097.

The spelling of 125647284 in words is "one hundred twenty-five million, six hundred forty-seven thousand, two hundred eighty-four".