1002874 has 8 divisors (see below), whose sum is σ = 1525140. Its totient is φ = 494496.

The previous prime is 1002871. The next prime is 1002887. The reversal of 1002874 is 4782001.

It can be written as a sum of positive squares in 2 ways, for example, as 915849 + 87025 = 957^2 + 295^2 .

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

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (1002871) 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 3 ways as a sum of consecutive naturals, for example, 3289 + ... + 3580.

2^1002874 is an apocalyptic number.

1002874 is a deficient number, since it is larger than the sum of its proper divisors (522266).

1002874 is an equidigital number, since it uses as much as digits as its factorization.

1002874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1002874 is about 1001.4359689965. The cubic root of 1002874 is about 100.0957083699.

Adding to 1002874 its reverse (4782001), we get a palindrome (5784875).

The spelling of 1002874 in words is "one million, two thousand, eight hundred seventy-four".