1020104003 has 2 divisors, whose sum is σ = 1020104004. Its totient is φ = 1020104002.

The previous prime is 1020103991. The next prime is 1020104039. The reversal of 1020104003 is 3004010201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020104003 is a prime.

It is a super-2 number, since 2×1020104003² = 2081224353873248018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020104083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510052001 + 510052002.

It is an arithmetic number, because the mean of its divisors is an integer number (510052002).

Almost surely, 2^1020104003 is an apocalyptic number.

1020104003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020104003 is an equidigital number, since it uses as much as digits as its factorization.

1020104003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1020104003 is about 31939.0670339633. The cubic root of 1020104003 is about 1006.6569213979.

Adding to 1020104003 its reverse (3004010201), we get a palindrome (4024114204).

The spelling of 1020104003 in words is "one billion, twenty million, one hundred four thousand, three".