1320103203 has 4 divisors (see below), whose sum is σ = 1760137608. Its totient is φ = 880068800.

The previous prime is 1320103201. The next prime is 1320103237. The reversal of 1320103203 is 3023010231.

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

It is a cyclic number.

It is not a de Polignac number, because 1320103203 - 2¹ = 1320103201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320103201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220017198 + ... + 220017203.

It is an arithmetic number, because the mean of its divisors is an integer number (440034402).

Almost surely, 2^1320103203 is an apocalyptic number.

1320103203 is a deficient number, since it is larger than the sum of its proper divisors (440034405).

1320103203 is an equidigital number, since it uses as much as digits as its factorization.

1320103203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440034404.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1320103203 is about 36333.2245059532. The cubic root of 1320103203 is about 1096.9898980491.

Adding to 1320103203 its reverse (3023010231), we get a palindrome (4343113434).

The spelling of 1320103203 in words is "one billion, three hundred twenty million, one hundred three thousand, two hundred three".