125760557 has 8 divisors (see below), whose sum is σ = 135866136. Its totient is φ = 115716672.

The previous prime is 125760553. The next prime is 125760587. The reversal of 125760557 is 755067521.

It can be written as a sum of positive squares in 4 ways, for example, as 23629321 + 102131236 = 4861^2 + 10106^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125760557 - 2² = 125760553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125760557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125760553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11138 + ... + 19379.

It is an arithmetic number, because the mean of its divisors is an integer number (16983267).

Almost surely, 2^125760557 is an apocalyptic number.

It is an amenable number.

125760557 is a deficient number, since it is larger than the sum of its proper divisors (10105579).

125760557 is a wasteful number, since it uses less digits than its factorization.

125760557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30847.

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 125760557 is about 11214.3014494885. The cubic root of 125760557 is about 501.0120262238.

The spelling of 125760557 in words is "one hundred twenty-five million, seven hundred sixty thousand, five hundred fifty-seven".