1143366 has 24 divisors (see below), whose sum is σ = 2660760. Its totient is φ = 326592.

The previous prime is 1143347. The next prime is 1143371. The reversal of 1143366 is 6633411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1651 + ... + 2238.

It is an arithmetic number, because the mean of its divisors is an integer number (110865).

2^1143366 is an apocalyptic number.

1143366 is an abundant number, since it is smaller than the sum of its proper divisors (1517394).

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

1143366 is a wasteful number, since it uses less digits than its factorization.

1143366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908 (or 3901 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 1143366 is about 1069.2829372996. The cubic root of 1143366 is about 104.5671066112.

Adding to 1143366 its reverse (6633411), we get a palindrome (7776777).

The spelling of 1143366 in words is "one million, one hundred forty-three thousand, three hundred sixty-six".