1028351875 has 10 divisors (see below), whose sum is σ = 1285029284. Its totient is φ = 822681000.

The previous prime is 1028351851. The next prime is 1028351899. The reversal of 1028351875 is 5781538201.

It is an interprime number because it is at equal distance from previous prime (1028351851) and next prime (1028351899).

It is not a de Polignac number, because 1028351875 - 2⁵ = 1028351843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 822057 + ... + 823306.

Almost surely, 2^1028351875 is an apocalyptic number.

1028351875 is a deficient number, since it is larger than the sum of its proper divisors (256677409).

1028351875 is an frugal number, since it uses more digits than its factorization.

1028351875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645383 (or 1645368 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 1028351875 is about 32067.9259541368. The cubic root of 1028351875 is about 1009.3626914313.

The spelling of 1028351875 in words is "one billion, twenty-eight million, three hundred fifty-one thousand, eight hundred seventy-five".