1028803 has 2 divisors, whose sum is σ = 1028804. Its totient is φ = 1028802.

The previous prime is 1028777. The next prime is 1028809. The reversal of 1028803 is 3088201.

It is a strong prime.

It is an emirp because it is prime and its reverse (3088201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1028803 is a prime.

It is a super-2 number, since 2×1028803² = 2116871225618, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1028809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514401 + 514402.

It is an arithmetic number, because the mean of its divisors is an integer number (514402).

2^1028803 is an apocalyptic number.

1028803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028803 is an equidigital number, since it uses as much as digits as its factorization.

1028803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1028803 is about 1014.2992655030. The cubic root of 1028803 is about 100.9510268082.

The spelling of 1028803 in words is "one million, twenty-eight thousand, eight hundred three".