125673889 has 4 divisors (see below), whose sum is σ = 137098800. Its totient is φ = 114248980.

The previous prime is 125673881. The next prime is 125673893. The reversal of 125673889 is 988376521.

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 125673889 - 2³ = 125673881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125673881) 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, 5712439 + ... + 5712460.

It is an arithmetic number, because the mean of its divisors is an integer number (34274700).

Almost surely, 2^125673889 is an apocalyptic number.

It is an amenable number.

125673889 is a deficient number, since it is larger than the sum of its proper divisors (11424911).

125673889 is a wasteful number, since it uses less digits than its factorization.

125673889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11424910.

The product of its digits is 725760, while the sum is 49.

The square root of 125673889 is about 11210.4366105875. The cubic root of 125673889 is about 500.8969088138.

The spelling of 125673889 in words is "one hundred twenty-five million, six hundred seventy-three thousand, eight hundred eighty-nine".