125249284 has 12 divisors (see below), whose sum is σ = 221197900. Its totient is φ = 62049888.

The previous prime is 125249261. The next prime is 125249317. The reversal of 125249284 is 482942521.

It can be written as a sum of positive squares in 2 ways, for example, as 58369600 + 66879684 = 7640^2 + 8178^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143199 + ... + 144070.

Almost surely, 2^125249284 is an apocalyptic number.

It is an amenable number.

125249284 is a deficient number, since it is larger than the sum of its proper divisors (95948616).

125249284 is a wasteful number, since it uses less digits than its factorization.

125249284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287382 (or 287380 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 125249284 is about 11191.4826542331. The cubic root of 125249284 is about 500.3321579600.

The spelling of 125249284 in words is "one hundred twenty-five million, two hundred forty-nine thousand, two hundred eighty-four".