122121223 has 8 divisors (see below), whose sum is σ = 140024192. Its totient is φ = 104332536.

The previous prime is 122121203. The next prime is 122121239. The reversal of 122121223 is 322121221.

It is a happy number.

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

It is not a de Polignac number, because 122121223 - 2¹⁷ = 121990151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122121197 and 122121206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122121203) 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, 26265 + ... + 30562.

It is an arithmetic number, because the mean of its divisors is an integer number (17503024).

Almost surely, 2^122121223 is an apocalyptic number.

122121223 is a deficient number, since it is larger than the sum of its proper divisors (17902969).

122121223 is an equidigital number, since it uses as much as digits as its factorization.

122121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57141.

The product of its digits is 96, while the sum is 16.

The square root of 122121223 is about 11050.8471620958. The cubic root of 122121223 is about 496.1317816138.

Adding to 122121223 its reverse (322121221), we get a palindrome (444242444).

The spelling of 122121223 in words is "one hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-three".