1143329 has 8 divisors (see below), whose sum is σ = 1259040. Its totient is φ = 1038180.

The previous prime is 1143299. The next prime is 1143341. The reversal of 1143329 is 9233411.

It is not a de Polignac number, because 1143329 - 2⁸ = 1143073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1143529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902 + ... + 1760.

It is an arithmetic number, because the mean of its divisors is an integer number (157380).

2^1143329 is an apocalyptic number.

It is an amenable number.

1143329 is a deficient number, since it is larger than the sum of its proper divisors (115711).

1143329 is an frugal number, since it uses more digits than its factorization.

1143329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 870 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 1143329 is about 1069.2656358455. The cubic root of 1143329 is about 104.5659786479.

It can be divided in two parts, 114 and 3329, that added together give a palindrome (3443).

The spelling of 1143329 in words is "one million, one hundred forty-three thousand, three hundred twenty-nine".