122130223 has 4 divisors (see below), whose sum is σ = 126341640. Its totient is φ = 117918808.

The previous prime is 122130199. The next prime is 122130251. The reversal of 122130223 is 322031221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122130223 - 2¹⁷ = 121999151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122130197 and 122130206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122130523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105665 + ... + 2105722.

It is an arithmetic number, because the mean of its divisors is an integer number (31585410).

Almost surely, 2^122130223 is an apocalyptic number.

122130223 is a deficient number, since it is larger than the sum of its proper divisors (4211417).

122130223 is an equidigital number, since it uses as much as digits as its factorization.

122130223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211416.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 122130223 is about 11051.2543631933. The cubic root of 122130223 is about 496.1439691660.

Adding to 122130223 its reverse (322031221), we get a palindrome (444161444).

The spelling of 122130223 in words is "one hundred twenty-two million, one hundred thirty thousand, two hundred twenty-three".