120102013 has 2 divisors, whose sum is σ = 120102014.
Its totient is φ = 120102012.
The previous prime is 120102001. The next prime is 120102077. The reversal of 120102013 is 310201021.
Adding to 120102013 its reverse (310201021), we get a palindrome (430303034).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 106874244 + 13227769 = 10338^2 + 3637^2
It is a cyclic number.
It is not a de Polignac number, because 120102013 - 213 = 120093821 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (120102613) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051006 + 60051007.
It is an arithmetic number, because the mean of its divisors is an integer number (60051007).
Almost surely, 2120102013 is an apocalyptic number.
It is an amenable number.
120102013 is a deficient number, since it is larger than the sum of its proper divisors (1).
120102013 is an equidigital number, since it uses as much as digits as its factorization.
120102013 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 10.
The square root of 120102013 is about 10959.1063960526.
The cubic root of 120102013 is about 493.3821451074.
The spelling of 120102013 in words is "one hundred twenty million, one hundred two thousand, thirteen".