120104516123 has 2 divisors, whose sum is σ = 120104516124. Its totient is φ = 120104516122.

The previous prime is 120104516117. The next prime is 120104516141. The reversal of 120104516123 is 321615401021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120104516123 - 2⁴ = 120104516107 is a prime.

It is a super-2 number, since 2×120104516123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120104516092 and 120104516101.

It is not a weakly prime, because it can be changed into another prime (120104516723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60052258061 + 60052258062.

It is an arithmetic number, because the mean of its divisors is an integer number (60052258062).

Almost surely, 2^120104516123 is an apocalyptic number.

120104516123 is a deficient number, since it is larger than the sum of its proper divisors (1).

120104516123 is an equidigital number, since it uses as much as digits as its factorization.

120104516123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 120104516123 its reverse (321615401021), we get a palindrome (441719917144).

The spelling of 120104516123 in words is "one hundred twenty billion, one hundred four million, five hundred sixteen thousand, one hundred twenty-three".