122231289 has 8 divisors (see below), whose sum is σ = 163289952. Its totient is φ = 81330080.

The previous prime is 122231287. The next prime is 122231293. The reversal of 122231289 is 982132221.

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 122231289 - 2¹ = 122231287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122231281) 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, 37539 + ... + 40664.

It is an arithmetic number, because the mean of its divisors is an integer number (20411244).

Almost surely, 2^122231289 is an apocalyptic number.

It is an amenable number.

122231289 is a deficient number, since it is larger than the sum of its proper divisors (41058663).

122231289 is an equidigital number, since it uses as much as digits as its factorization.

122231289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78727.

The product of its digits is 3456, while the sum is 30.

The square root of 122231289 is about 11055.8260207006. The cubic root of 122231289 is about 496.2807888652.

The spelling of 122231289 in words is "one hundred twenty-two million, two hundred thirty-one thousand, two hundred eighty-nine".