1004143 has 8 divisors (see below), whose sum is σ = 1178912. Its totient is φ = 837216.

The previous prime is 1004141. The next prime is 1004161. The reversal of 1004143 is 3414001.

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 1004143 - 2¹ = 1004141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004141) 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, 1680 + ... + 2197.

It is an arithmetic number, because the mean of its divisors is an integer number (147364).

2^1004143 is an apocalyptic number.

1004143 is a deficient number, since it is larger than the sum of its proper divisors (174769).

1004143 is an equidigital number, since it uses as much as digits as its factorization.

1004143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1004143 is about 1002.0693588769. The cubic root of 1004143 is about 100.1379097217.

Adding to 1004143 its reverse (3414001), we get a palindrome (4418144).

The spelling of 1004143 in words is "one million, four thousand, one hundred forty-three".