125755775 has 12 divisors (see below), whose sum is σ = 164145000. Its totient is φ = 95309280.

The previous prime is 125755771. The next prime is 125755793. The reversal of 125755775 is 577557521.

It is not a de Polignac number, because 125755775 - 2² = 125755771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125755771) 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, 131900 + ... + 132849.

It is an arithmetic number, because the mean of its divisors is an integer number (13678750).

Almost surely, 2^125755775 is an apocalyptic number.

125755775 is a deficient number, since it is larger than the sum of its proper divisors (38389225).

125755775 is a wasteful number, since it uses less digits than its factorization.

125755775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264778 (or 264773 counting only the distinct ones).

The product of its digits is 428750, while the sum is 44.

The square root of 125755775 is about 11214.0882375697. The cubic root of 125755775 is about 501.0056758759.

The spelling of 125755775 in words is "one hundred twenty-five million, seven hundred fifty-five thousand, seven hundred seventy-five".