1143504 has 40 divisors (see below), whose sum is σ = 3283520. Its totient is φ = 381024.

The previous prime is 1143487. The next prime is 1143529. The reversal of 1143504 is 4053411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892 + ... + 1755.

It is an arithmetic number, because the mean of its divisors is an integer number (82088).

2^1143504 is an apocalyptic number.

It is an amenable number.

1143504 is an abundant number, since it is smaller than the sum of its proper divisors (2140016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143504 is a wasteful number, since it uses less digits than its factorization.

1143504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1143504 is about 1069.3474645783. The cubic root of 1143504 is about 104.5713133949.

Adding to 1143504 its reverse (4053411), we get a palindrome (5196915).

The spelling of 1143504 in words is "one million, one hundred forty-three thousand, five hundred four".