125969379 has 4 divisors (see below), whose sum is σ = 167959176. Its totient is φ = 83979584.

The previous prime is 125969369. The next prime is 125969383. The reversal of 125969379 is 973969521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125969379 - 2⁷ = 125969251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125969329) 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 3 ways as a sum of consecutive naturals, for example, 20994894 + ... + 20994899.

It is an arithmetic number, because the mean of its divisors is an integer number (41989794).

Almost surely, 2^125969379 is an apocalyptic number.

125969379 is a deficient number, since it is larger than the sum of its proper divisors (41989797).

125969379 is an equidigital number, since it uses as much as digits as its factorization.

125969379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41989796.

The product of its digits is 918540, while the sum is 51.

The square root of 125969379 is about 11223.6081096945. The cubic root of 125969379 is about 501.2891785141.

The spelling of 125969379 in words is "one hundred twenty-five million, nine hundred sixty-nine thousand, three hundred seventy-nine".