1028875 has 8 divisors (see below), whose sum is σ = 1284192. Its totient is φ = 823000.

The previous prime is 1028873. The next prime is 1028893. The reversal of 1028875 is 5788201.

It is not a de Polignac number, because 1028875 - 2¹ = 1028873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3991 + ... + 4240.

It is an arithmetic number, because the mean of its divisors is an integer number (160524).

2^1028875 is an apocalyptic number.

1028875 is a deficient number, since it is larger than the sum of its proper divisors (255317).

1028875 is an frugal number, since it uses more digits than its factorization.

1028875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8246 (or 8236 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1028875 is about 1014.3347573656. The cubic root of 1028875 is about 100.9533817470.

The spelling of 1028875 in words is "one million, twenty-eight thousand, eight hundred seventy-five".