123104122 has 4 divisors (see below), whose sum is σ = 184656186. Its totient is φ = 61552060.

The previous prime is 123104117. The next prime is 123104129. The reversal of 123104122 is 221401321.

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

It can be written as a sum of positive squares in only one way, i.e., 67914081 + 55190041 = 8241^2 + 7429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123104096 and 123104105.

It is not an unprimeable number, because it can be changed into a prime (123104129) 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 as a sum of consecutive naturals, namely, 30776029 + ... + 30776032.

Almost surely, 2^123104122 is an apocalyptic number.

123104122 is a deficient number, since it is larger than the sum of its proper divisors (61552064).

123104122 is an equidigital number, since it uses as much as digits as its factorization.

123104122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61552063.

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

The square root of 123104122 is about 11095.2296956845. The cubic root of 123104122 is about 497.4592739572.

Adding to 123104122 its reverse (221401321), we get a palindrome (344505443).

The spelling of 123104122 in words is "one hundred twenty-three million, one hundred four thousand, one hundred twenty-two".