1143743 has 8 divisors (see below), whose sum is σ = 1275120. Its totient is φ = 1019520.

The previous prime is 1143719. The next prime is 1143749. The reversal of 1143743 is 3473411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1143743 - 2⁶ = 1143679 is a prime.

It is a d-powerful number, because it can be written as 1 + 1 + 4⁷ + 3⁹ + 7² + 4¹⁰ + 3¹⁰ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143749) 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, 1448 + ... + 2093.

It is an arithmetic number, because the mean of its divisors is an integer number (159390).

2^1143743 is an apocalyptic number.

1143743 is a deficient number, since it is larger than the sum of its proper divisors (131377).

1143743 is a wasteful number, since it uses less digits than its factorization.

1143743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3577.

The product of its digits is 1008, while the sum is 23.

The square root of 1143743 is about 1069.4592091333. The cubic root of 1143743 is about 104.5785982558.

The spelling of 1143743 in words is "one million, one hundred forty-three thousand, seven hundred forty-three".