122125589 has 4 divisors (see below), whose sum is σ = 122153856. Its totient is φ = 122097324.

The previous prime is 122125579. The next prime is 122125639. The reversal of 122125589 is 985521221.

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 122125589 - 2⁴ = 122125573 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122125529) 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, 6149 + ... + 16794.

It is an arithmetic number, because the mean of its divisors is an integer number (30538464).

Almost surely, 2^122125589 is an apocalyptic number.

It is an amenable number.

122125589 is a deficient number, since it is larger than the sum of its proper divisors (28267).

122125589 is an equidigital number, since it uses as much as digits as its factorization.

122125589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28266.

The product of its digits is 14400, while the sum is 35.

The square root of 122125589 is about 11051.0447017465. The cubic root of 122125589 is about 496.1376940056.

The spelling of 122125589 in words is "one hundred twenty-two million, one hundred twenty-five thousand, five hundred eighty-nine".