120340344103 has 4 divisors (see below), whose sum is σ = 137531821840. Its totient is φ = 103148866368.

The previous prime is 120340344097. The next prime is 120340344167. The reversal of 120340344103 is 301443043021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120340344103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120340344203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8595738858 + ... + 8595738871.

It is an arithmetic number, because the mean of its divisors is an integer number (34382955460).

Almost surely, 2^120340344103 is an apocalyptic number.

120340344103 is a deficient number, since it is larger than the sum of its proper divisors (17191477737).

120340344103 is an equidigital number, since it uses as much as digits as its factorization.

120340344103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17191477736.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 120340344103 its reverse (301443043021), we get a palindrome (421783387124).

The spelling of 120340344103 in words is "one hundred twenty billion, three hundred forty million, three hundred forty-four thousand, one hundred three".