125792989 has 8 divisors (see below), whose sum is σ = 144813888. Its totient is φ = 107034720.

The previous prime is 125792987. The next prime is 125792999. The reversal of 125792989 is 989297521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125792989 - 2¹ = 125792987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125792987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64627 + ... + 66544.

It is an arithmetic number, because the mean of its divisors is an integer number (18101736).

Almost surely, 2^125792989 is an apocalyptic number.

It is an amenable number.

125792989 is a deficient number, since it is larger than the sum of its proper divisors (19020899).

125792989 is a wasteful number, since it uses less digits than its factorization.

125792989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131315.

The product of its digits is 816480, while the sum is 52.

The square root of 125792989 is about 11215.7473669836. The cubic root of 125792989 is about 501.0550906680.

The spelling of 125792989 in words is "one hundred twenty-five million, seven hundred ninety-two thousand, nine hundred eighty-nine".