125756065 has 8 divisors (see below), whose sum is σ = 157468608. Its totient is φ = 96230640.

The previous prime is 125756063. The next prime is 125756069. The reversal of 125756065 is 560657521.

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

It is not a de Polignac number, because 125756065 - 2¹ = 125756063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125756063) 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, 546651 + ... + 546880.

It is an arithmetic number, because the mean of its divisors is an integer number (19683576).

Almost surely, 2^125756065 is an apocalyptic number.

It is an amenable number.

125756065 is a deficient number, since it is larger than the sum of its proper divisors (31712543).

125756065 is a wasteful number, since it uses less digits than its factorization.

125756065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093559.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 125756065 is about 11214.1011677263. The cubic root of 125756065 is about 501.0060609915.

The spelling of 125756065 in words is "one hundred twenty-five million, seven hundred fifty-six thousand, sixty-five".