1004144 has 20 divisors (see below), whose sum is σ = 1968624. Its totient is φ = 496128.

The previous prime is 1004141. The next prime is 1004161. The reversal of 1004144 is 4414001.

1004144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229 + ... + 1875.

2^1004144 is an apocalyptic number.

It is an amenable number.

1004144 is a deficient number, since it is larger than the sum of its proper divisors (964480).

1004144 is an equidigital number, since it uses as much as digits as its factorization.

1004144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1004144 is about 1002.0698578443. The cubic root of 1004144 is about 100.1379429632.

Adding to 1004144 its reverse (4414001), we get a palindrome (5418145).

The spelling of 1004144 in words is "one million, four thousand, one hundred forty-four".