1003144 has 16 divisors (see below), whose sum is σ = 1932300. Its totient is φ = 487872.

The previous prime is 1003141. The next prime is 1003193. The reversal of 1003144 is 4413001.

1003144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 743044 + 260100 = 862^2 + 510^2 .

It is not an unprimeable number, because it can be changed into a prime (1003141) 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, 1399 + ... + 1990.

2^1003144 is an apocalyptic number.

It is an amenable number.

1003144 is a deficient number, since it is larger than the sum of its proper divisors (929156).

1003144 is a wasteful number, since it uses less digits than its factorization.

1003144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432 (or 3428 counting only the distinct ones).

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

The square root of 1003144 is about 1001.5707663465. The cubic root of 1003144 is about 100.1046903610.

Adding to 1003144 its reverse (4413001), we get a palindrome (5416145).

The spelling of 1003144 in words is "one million, three thousand, one hundred forty-four".