125761 has 4 divisors (see below), whose sum is σ = 132400. Its totient is φ = 119124.

The previous prime is 125753. The next prime is 125777. The reversal of 125761 is 167521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125761 - 2³ = 125753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125711) 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, 3291 + ... + 3328.

It is an arithmetic number, because the mean of its divisors is an integer number (33100).

2¹²⁵⁷⁶¹ is an apocalyptic number.

It is an amenable number.

125761 is a deficient number, since it is larger than the sum of its proper divisors (6639).

125761 is an equidigital number, since it uses as much as digits as its factorization.

125761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638.

The product of its digits is 420, while the sum is 22.

The square root of 125761 is about 354.6279740799. The cubic root of 125761 is about 50.1012614506.

The spelling of 125761 in words is "one hundred twenty-five thousand, seven hundred sixty-one".