122222123 has 4 divisors (see below), whose sum is σ = 122954160. Its totient is φ = 121490088.

The previous prime is 122222071. The next prime is 122222131. The reversal of 122222123 is 321222221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321222221 = 8731 ⋅36791.

It is a cyclic number.

It is not a de Polignac number, because 122222123 - 2⁶ = 122222059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122222143) 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, 365768 + ... + 366101.

It is an arithmetic number, because the mean of its divisors is an integer number (30738540).

Almost surely, 2^122222123 is an apocalyptic number.

122222123 is a deficient number, since it is larger than the sum of its proper divisors (732037).

122222123 is an equidigital number, since it uses as much as digits as its factorization.

122222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732036.

The product of its digits is 192, while the sum is 17.

The square root of 122222123 is about 11055.4114803566. The cubic root of 122222123 is about 496.2683833580.

Adding to 122222123 its reverse (321222221), we get a palindrome (443444344).

The spelling of 122222123 in words is "one hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-three".