1028243 has 2 divisors, whose sum is σ = 1028244. Its totient is φ = 1028242.

The previous prime is 1028231. The next prime is 1028263. The reversal of 1028243 is 3428201.

It is an a-pointer prime, because the next prime (1028263) can be obtained adding 1028243 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1028243 - 2⁸ = 1027987 is a prime.

It is not a weakly prime, because it can be changed into another prime (1028213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514121 + 514122.

It is an arithmetic number, because the mean of its divisors is an integer number (514122).

2^1028243 is an apocalyptic number.

1028243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028243 is an equidigital number, since it uses as much as digits as its factorization.

1028243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1028243 is about 1014.0231752776. The cubic root of 1028243 is about 100.9327068657.

The spelling of 1028243 in words is "one million, twenty-eight thousand, two hundred forty-three".