1143104 has 28 divisors (see below), whose sum is σ = 2318004. Its totient is φ = 559104.

The previous prime is 1143101. The next prime is 1143113. The reversal of 1143104 is 4013411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 565504 + 577600 = 752^2 + 760^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3224 + ... + 3560.

2^1143104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1159002).

1143104 is an abundant number, since it is smaller than the sum of its proper divisors (1174900).

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

1143104 is an equidigital number, since it uses as much as digits as its factorization.

1143104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1143104 is about 1069.1604182722. The cubic root of 1143104 is about 104.5591188876.

Adding to 1143104 its reverse (4013411), we get a palindrome (5156515).

The spelling of 1143104 in words is "one million, one hundred forty-three thousand, one hundred four".