120303103 has 4 divisors (see below), whose sum is σ = 120802528. Its totient is φ = 119803680.

The previous prime is 120303097. The next prime is 120303137. The reversal of 120303103 is 301303021.

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-120303103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120303173) 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, 249351 + ... + 249832.

It is an arithmetic number, because the mean of its divisors is an integer number (30200632).

Almost surely, 2^120303103 is an apocalyptic number.

120303103 is a deficient number, since it is larger than the sum of its proper divisors (499425).

120303103 is an equidigital number, since it uses as much as digits as its factorization.

120303103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499424.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 120303103 is about 10968.2771208609. The cubic root of 120303103 is about 493.6573525253.

Adding to 120303103 its reverse (301303021), we get a palindrome (421606124).

The spelling of 120303103 in words is "one hundred twenty million, three hundred three thousand, one hundred three".