125887697 has 16 divisors (see below), whose sum is σ = 138803280. Its totient is φ = 113467392.

The previous prime is 125887693. The next prime is 125887709. The reversal of 125887697 is 796788521.

It can be written as a sum of positive squares in 8 ways, for example, as 2588881 + 123298816 = 1609^2 + 11104^2 .

It is a cyclic number.

It is not a de Polignac number, because 125887697 - 2² = 125887693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125887693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102833 + ... + 104049.

It is an arithmetic number, because the mean of its divisors is an integer number (8675205).

Almost surely, 2^125887697 is an apocalyptic number.

It is an amenable number.

125887697 is a deficient number, since it is larger than the sum of its proper divisors (12915583).

125887697 is a wasteful number, since it uses less digits than its factorization.

125887697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1412.

The product of its digits is 1693440, while the sum is 53.

The square root of 125887697 is about 11219.9686719705. The cubic root of 125887697 is about 501.1808052029.

The spelling of 125887697 in words is "one hundred twenty-five million, eight hundred eighty-seven thousand, six hundred ninety-seven".