125567 has 6 divisors (see below), whose sum is σ = 136152. Its totient is φ = 115752.

The previous prime is 125551. The next prime is 125591. The reversal of 125567 is 765521.

It is not a de Polignac number, because 125567 - 2⁴ = 125551 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203 + ... + 540.

It is an arithmetic number, because the mean of its divisors is an integer number (22692).

2¹²⁵⁵⁶⁷ is an apocalyptic number.

125567 is a deficient number, since it is larger than the sum of its proper divisors (10585).

125567 is an equidigital number, since it uses as much as digits as its factorization.

125567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 756 counting only the distinct ones).

The product of its digits is 2100, while the sum is 26.

The square root of 125567 is about 354.3543424314. The cubic root of 125567 is about 50.0754859800.

The spelling of 125567 in words is "one hundred twenty-five thousand, five hundred sixty-seven".