1023285 has 8 divisors (see below), whose sum is σ = 1637280. Its totient is φ = 545744.

The previous prime is 1023277. The next prime is 1023289. The reversal of 1023285 is 5823201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023285 - 2³ = 1023277 is a prime.

It is a super-2 number, since 2×1023285² = 2094224382450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34095 + ... + 34124.

It is an arithmetic number, because the mean of its divisors is an integer number (204660).

2^1023285 is an apocalyptic number.

1023285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1023285 is a deficient number, since it is larger than the sum of its proper divisors (613995).

1023285 is an equidigital number, since it uses as much as digits as its factorization.

1023285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68227.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1023285 is about 1011.5755038552. The cubic root of 1023285 is about 100.7702190619.

Adding to 1023285 its reverse (5823201), we get a palindrome (6846486).

The spelling of 1023285 in words is "one million, twenty-three thousand, two hundred eighty-five".