1320100003 has 2 divisors, whose sum is σ = 1320100004. Its totient is φ = 1320100002.

The previous prime is 1320099971. The next prime is 1320100021. The reversal of 1320100003 is 3000010231.

It is a strong prime.

It is an emirp because it is prime and its reverse (3000010231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1320100003 - 2⁵ = 1320099971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320100403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660050001 + 660050002.

It is an arithmetic number, because the mean of its divisors is an integer number (660050002).

Almost surely, 2^1320100003 is an apocalyptic number.

1320100003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320100003 is an equidigital number, since it uses as much as digits as its factorization.

1320100003 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 10.

The square root of 1320100003 is about 36333.1804690974. The cubic root of 1320100003 is about 1096.9890116612.

Adding to 1320100003 its reverse (3000010231), we get a palindrome (4320110234).

The spelling of 1320100003 in words is "one billion, three hundred twenty million, one hundred thousand, three".