1004031 has 12 divisors (see below), whose sum is σ = 1657552. Its totient is φ = 573696.

The previous prime is 1004027. The next prime is 1004033. The reversal of 1004031 is 1304001.

It is not a de Polignac number, because 1004031 - 2² = 1004027 is a prime.

It is a super-2 number, since 2×1004031² = 2016156497922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7906 + ... + 8031.

2^1004031 is an apocalyptic number.

1004031 is a deficient number, since it is larger than the sum of its proper divisors (653521).

1004031 is a wasteful number, since it uses less digits than its factorization.

1004031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15950 (or 15947 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1004031 is about 1002.0134729633. The cubic root of 1004031 is about 100.1341865259.

Adding to 1004031 its reverse (1304001), we get a palindrome (2308032).

The spelling of 1004031 in words is "one million, four thousand, thirty-one".