125565716 has 12 divisors (see below), whose sum is σ = 225679188. Its totient is φ = 61085952.

The previous prime is 125565709. The next prime is 125565733. The reversal of 125565716 is 617565521.

It can be written as a sum of positive squares in 2 ways, for example, as 113635600 + 11930116 = 10660^2 + 3454^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125565716.

It is a congruent number.

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, 424061 + ... + 424356.

It is an arithmetic number, because the mean of its divisors is an integer number (18806599).

Almost surely, 2^125565716 is an apocalyptic number.

It is an amenable number.

125565716 is a deficient number, since it is larger than the sum of its proper divisors (100113472).

125565716 is a wasteful number, since it uses less digits than its factorization.

125565716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848458 (or 848456 counting only the distinct ones).

The product of its digits is 63000, while the sum is 38.

The square root of 125565716 is about 11205.6109159653. The cubic root of 125565716 is about 500.7531529516.

The spelling of 125565716 in words is "one hundred twenty-five million, five hundred sixty-five thousand, seven hundred sixteen".