122104123 has 4 divisors (see below), whose sum is σ = 126314640. Its totient is φ = 117893608.

The previous prime is 122104111. The next prime is 122104141. The reversal of 122104123 is 321401221.

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 122104123 - 2⁵ = 122104091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122104097 and 122104106.

It is not an unprimeable number, because it can be changed into a prime (122104153) 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, 2105215 + ... + 2105272.

It is an arithmetic number, because the mean of its divisors is an integer number (31578660).

Almost surely, 2^122104123 is an apocalyptic number.

122104123 is a deficient number, since it is larger than the sum of its proper divisors (4210517).

122104123 is an equidigital number, since it uses as much as digits as its factorization.

122104123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210516.

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

The square root of 122104123 is about 11050.0734386700. The cubic root of 122104123 is about 496.1086236148.

Adding to 122104123 its reverse (321401221), we get a palindrome (443505344).

The spelling of 122104123 in words is "one hundred twenty-two million, one hundred four thousand, one hundred twenty-three".