120103013 has 2 divisors, whose sum is σ = 120103014. Its totient is φ = 120103012.

The previous prime is 120103003. The next prime is 120103037. The reversal of 120103013 is 310301021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105226564 + 14876449 = 10258^2 + 3857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120103013 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120102985 and 120103003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120103003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051506 + 60051507.

It is an arithmetic number, because the mean of its divisors is an integer number (60051507).

Almost surely, 2^120103013 is an apocalyptic number.

It is an amenable number.

120103013 is a deficient number, since it is larger than the sum of its proper divisors (1).

120103013 is an equidigital number, since it uses as much as digits as its factorization.

120103013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 120103013 is about 10959.1520201154. The cubic root of 120103013 is about 493.3835144454.

Adding to 120103013 its reverse (310301021), we get a palindrome (430404034).

The spelling of 120103013 in words is "one hundred twenty million, one hundred three thousand, thirteen".