122943489 has 16 divisors (see below), whose sum is σ = 173790720. Its totient is φ = 77172480.

The previous prime is 122943481. The next prime is 122943497. The reversal of 122943489 is 984349221.

It is an interprime number because it is at equal distance from previous prime (122943481) and next prime (122943497).

It is not a de Polignac number, because 122943489 - 2³ = 122943481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122943489.

It is not an unprimeable number, because it can be changed into a prime (122943481) 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 15 ways as a sum of consecutive naturals, for example, 14424 + ... + 21305.

It is an arithmetic number, because the mean of its divisors is an integer number (10861920).

Almost surely, 2^122943489 is an apocalyptic number.

It is an amenable number.

122943489 is a deficient number, since it is larger than the sum of its proper divisors (50847231).

122943489 is a wasteful number, since it uses less digits than its factorization.

122943489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35800.

The product of its digits is 124416, while the sum is 42.

The square root of 122943489 is about 11087.9885010763. The cubic root of 122943489 is about 497.2428090770.

The spelling of 122943489 in words is "one hundred twenty-two million, nine hundred forty-three thousand, four hundred eighty-nine".