125530601 has 12 divisors (see below), whose sum is σ = 154616148. Its totient is φ = 101267712.

The previous prime is 125530579. The next prime is 125530607. The reversal of 125530601 is 106035521.

It can be written as a sum of positive squares in 2 ways, for example, as 100480576 + 25050025 = 10024^2 + 5005^2 .

It is not a de Polignac number, because 125530601 - 2¹⁸ = 125268457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125530607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74516 + ... + 76181.

It is an arithmetic number, because the mean of its divisors is an integer number (12884679).

Almost surely, 2^125530601 is an apocalyptic number.

It is an amenable number.

125530601 is a deficient number, since it is larger than the sum of its proper divisors (29085547).

125530601 is a wasteful number, since it uses less digits than its factorization.

125530601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150728 (or 150721 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 125530601 is about 11204.0439574289. The cubic root of 125530601 is about 500.7064693320.

The spelling of 125530601 in words is "one hundred twenty-five million, five hundred thirty thousand, six hundred one".