125969 has 4 divisors (see below), whose sum is σ = 127296. Its totient is φ = 124644.

The previous prime is 125963. The next prime is 126001. The reversal of 125969 is 969521.

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 a de Polignac number, because none of the positive numbers 2^k-125969 is a prime.

It is a super-2 number, since 2×125969² = 31736377922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125963) 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, 509 + ... + 714.

It is an arithmetic number, because the mean of its divisors is an integer number (31824).

2¹²⁵⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

125969 is a deficient number, since it is larger than the sum of its proper divisors (1327).

125969 is a wasteful number, since it uses less digits than its factorization.

125969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326.

The product of its digits is 4860, while the sum is 32.

The square root of 125969 is about 354.9211179967. The cubic root of 125969 is about 50.1288675776.

The spelling of 125969 in words is "one hundred twenty-five thousand, nine hundred sixty-nine".