1143244 has 12 divisors (see below), whose sum is σ = 2049768. Its totient is φ = 557600.

The previous prime is 1143239. The next prime is 1143257. The reversal of 1143244 is 4423411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3322 + ... + 3649.

It is an arithmetic number, because the mean of its divisors is an integer number (170814).

2^1143244 is an apocalyptic number.

It is an amenable number.

1143244 is a deficient number, since it is larger than the sum of its proper divisors (906524).

1143244 is a wasteful number, since it uses less digits than its factorization.

1143244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7016 (or 7014 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 1143244 is about 1069.2258882014. The cubic root of 1143244 is about 104.5633872887.

Adding to 1143244 its reverse (4423411), we get a palindrome (5566655).

It can be divided in two parts, 11432 and 44, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 1143244 in words is "one million, one hundred forty-three thousand, two hundred forty-four".