1000103003 has 2 divisors, whose sum is σ = 1000103004. Its totient is φ = 1000103002.

The previous prime is 1000102973. The next prime is 1000103023. The reversal of 1000103003 is 3003010001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000103003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000103023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500051501 + 500051502.

It is an arithmetic number, because the mean of its divisors is an integer number (500051502).

Almost surely, 2^1000103003 is an apocalyptic number.

1000103003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000103003 is an equidigital number, since it uses as much as digits as its factorization.

1000103003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 8.

The square root of 1000103003 is about 31624.4051801769. The cubic root of 1000103003 is about 1000.0343331546.

Adding to 1000103003 its reverse (3003010001), we get a palindrome (4003113004).

The spelling of 1000103003 in words is "one billion, one hundred three thousand, three".