125767727 has 4 divisors (see below), whose sum is σ = 126470520. Its totient is φ = 125064936.

The previous prime is 125767711. The next prime is 125767799. The reversal of 125767727 is 727767521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727767521 = 13 ⋅55982117.

It is a cyclic number.

It is not a de Polignac number, because 125767727 - 2⁴ = 125767711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125767127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351128 + ... + 351485.

It is an arithmetic number, because the mean of its divisors is an integer number (31617630).

Almost surely, 2^125767727 is an apocalyptic number.

125767727 is a deficient number, since it is larger than the sum of its proper divisors (702793).

125767727 is an equidigital number, since it uses as much as digits as its factorization.

125767727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702792.

The product of its digits is 288120, while the sum is 44.

The square root of 125767727 is about 11214.6211260122. The cubic root of 125767727 is about 501.0215474602.

The spelling of 125767727 in words is "one hundred twenty-five million, seven hundred sixty-seven thousand, seven hundred twenty-seven".