1020340003 has 2 divisors, whose sum is σ = 1020340004. Its totient is φ = 1020340002.

The previous prime is 1020339997. The next prime is 1020340021. The reversal of 1020340003 is 3000430201.

1020340003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020340003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020340103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510170001 + 510170002.

It is an arithmetic number, because the mean of its divisors is an integer number (510170002).

Almost surely, 2^1020340003 is an apocalyptic number.

1020340003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020340003 is an equidigital number, since it uses as much as digits as its factorization.

1020340003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 1020340003 is about 31942.7613552742. The cubic root of 1020340003 is about 1006.7345450894.

Adding to 1020340003 its reverse (3000430201), we get a palindrome (4020770204).

The spelling of 1020340003 in words is "one billion, twenty million, three hundred forty thousand, three".