120310121 has 2 divisors, whose sum is σ = 120310122. Its totient is φ = 120310120.

The previous prime is 120310103. The next prime is 120310123. The reversal of 120310121 is 121013021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119596096 + 714025 = 10936^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 120310121 - 2¹⁰ = 120309097 is a prime.

Together with 120310123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120310123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60155060 + 60155061.

It is an arithmetic number, because the mean of its divisors is an integer number (60155061).

Almost surely, 2^120310121 is an apocalyptic number.

It is an amenable number.

120310121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120310121 is an equidigital number, since it uses as much as digits as its factorization.

120310121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 120310121 is about 10968.5970388195. The cubic root of 120310121 is about 493.6669516680. Note that the first 3 decimals are identical.

Adding to 120310121 its reverse (121013021), we get a palindrome (241323142).

The spelling of 120310121 in words is "one hundred twenty million, three hundred ten thousand, one hundred twenty-one".