1004047 has 8 divisors (see below), whose sum is σ = 1107792. Its totient is φ = 902400.

The previous prime is 1004033. The next prime is 1004053. The reversal of 1004047 is 7404001.

It is a happy number.

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 1004047 - 2¹⁵ = 971279 is a prime.

It is a super-2 number, since 2×1004047² = 2016220756418, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1004047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004027) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 597 + ... + 1537.

It is an arithmetic number, because the mean of its divisors is an integer number (138474).

2^1004047 is an apocalyptic number.

1004047 is a deficient number, since it is larger than the sum of its proper divisors (103745).

1004047 is an equidigital number, since it uses as much as digits as its factorization.

1004047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1004047 is about 1002.0214568561. The cubic root of 1004047 is about 100.1347184280.

Adding to 1004047 its reverse (7404001), we get a palindrome (8408048).

The spelling of 1004047 in words is "one million, four thousand, forty-seven".