125955969 has 4 divisors (see below), whose sum is σ = 167941296. Its totient is φ = 83970644.

The previous prime is 125955967. The next prime is 125955979. The reversal of 125955969 is 969559521.

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 125955969 - 2¹ = 125955967 is a prime.

It is a super-2 number, since 2×125955969² = 31729812253457922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125955967) 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, 20992659 + ... + 20992664.

It is an arithmetic number, because the mean of its divisors is an integer number (41985324).

Almost surely, 2^125955969 is an apocalyptic number.

It is an amenable number.

125955969 is a deficient number, since it is larger than the sum of its proper divisors (41985327).

125955969 is an equidigital number, since it uses as much as digits as its factorization.

125955969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41985326.

The product of its digits is 1093500, while the sum is 51.

The square root of 125955969 is about 11223.0106923232. The cubic root of 125955969 is about 501.2713897295.

The spelling of 125955969 in words is "one hundred twenty-five million, nine hundred fifty-five thousand, nine hundred sixty-nine".