1002854 has 4 divisors (see below), whose sum is σ = 1504284. Its totient is φ = 501426.

The previous prime is 1002853. The next prime is 1002857. The reversal of 1002854 is 4582001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4582001 = 821 ⋅5581.

It is a super-2 number, since 2×1002854² = 2011432290632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250712 + ... + 250715.

It is an arithmetic number, because the mean of its divisors is an integer number (376071).

2^1002854 is an apocalyptic number.

1002854 is a deficient number, since it is larger than the sum of its proper divisors (501430).

1002854 is an equidigital number, since it uses as much as digits as its factorization.

1002854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501429.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1002854 is about 1001.4259832858. The cubic root of 1002854 is about 100.0950429730.

Adding to 1002854 its reverse (4582001), we get a palindrome (5584855).

The spelling of 1002854 in words is "one million, two thousand, eight hundred fifty-four".