1024285 has 4 divisors (see below), whose sum is σ = 1229148. Its totient is φ = 819424.

The previous prime is 1024277. The next prime is 1024307. The reversal of 1024285 is 5824201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5824201 = 71 ⋅82031.

It can be written as a sum of positive squares in 2 ways, for example, as 210681 + 813604 = 459^2 + 902^2 .

It is a cyclic number.

It is not a de Polignac number, because 1024285 - 2³ = 1024277 is a prime.

It is a super-2 number, since 2×1024285² = 2098319522450, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 102424 + ... + 102433.

It is an arithmetic number, because the mean of its divisors is an integer number (307287).

2^1024285 is an apocalyptic number.

It is an amenable number.

1024285 is a deficient number, since it is larger than the sum of its proper divisors (204863).

1024285 is an equidigital number, since it uses as much as digits as its factorization.

1024285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204862.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1024285 is about 1012.0696616340. The cubic root of 1024285 is about 100.8030341007.

Adding to 1024285 its reverse (5824201), we get a palindrome (6848486).

The spelling of 1024285 in words is "one million, twenty-four thousand, two hundred eighty-five".