1004026 has 4 divisors (see below), whose sum is σ = 1506042. Its totient is φ = 502012.

The previous prime is 1003963. The next prime is 1004027. The reversal of 1004026 is 6204001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6204001 = 83 ⋅74747.

It can be written as a sum of positive squares in only one way, i.e., 1002001 + 2025 = 1001^2 + 45^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1003997 and 1004015.

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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251005 + ... + 251008.

2^1004026 is an apocalyptic number.

1004026 is a deficient number, since it is larger than the sum of its proper divisors (502016).

1004026 is an equidigital number, since it uses as much as digits as its factorization.

1004026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502015.

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

The square root of 1004026 is about 1002.0109779838. The cubic root of 1004026 is about 100.1340203053.

Adding to 1004026 its reverse (6204001), we get a palindrome (7208027).

The spelling of 1004026 in words is "one million, four thousand, twenty-six".