1028003 has 2 divisors, whose sum is σ = 1028004. Its totient is φ = 1028002.

The previous prime is 1027987. The next prime is 1028011. The reversal of 1028003 is 3008201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1028003 - 2⁴ = 1027987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1028023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514001 + 514002.

It is an arithmetic number, because the mean of its divisors is an integer number (514002).

2^1028003 is an apocalyptic number.

1028003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028003 is an equidigital number, since it uses as much as digits as its factorization.

1028003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1028003 is about 1013.9048278808. The cubic root of 1028003 is about 100.9248534255.

The spelling of 1028003 in words is "one million, twenty-eight thousand, three".