125797 has 4 divisors (see below), whose sum is σ = 143776. Its totient is φ = 107820.

The previous prime is 125791. The next prime is 125803. The reversal of 125797 is 797521.

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 an interprime number because it is at equal distance from previous prime (125791) and next prime (125803).

It is a cyclic number.

It is not a de Polignac number, because 125797 - 2³ = 125789 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 (125791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8979 + ... + 8992.

It is an arithmetic number, because the mean of its divisors is an integer number (35944).

2¹²⁵⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

125797 is a deficient number, since it is larger than the sum of its proper divisors (17979).

125797 is an equidigital number, since it uses as much as digits as its factorization.

125797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17978.

The product of its digits is 4410, while the sum is 31.

The square root of 125797 is about 354.6787278651. The cubic root of 125797 is about 50.1060416112.

The spelling of 125797 in words is "one hundred twenty-five thousand, seven hundred ninety-seven".