1143173 has 4 divisors (see below), whose sum is σ = 1203360. Its totient is φ = 1082988.

The previous prime is 1143167. The next prime is 1143193. The reversal of 1143173 is 3713411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1143173 - 2⁸ = 1142917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30065 + ... + 30102.

It is an arithmetic number, because the mean of its divisors is an integer number (300840).

2^1143173 is an apocalyptic number.

It is an amenable number.

1143173 is a deficient number, since it is larger than the sum of its proper divisors (60187).

1143173 is an equidigital number, since it uses as much as digits as its factorization.

1143173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60186.

The product of its digits is 252, while the sum is 20.

The square root of 1143173 is about 1069.1926860954. The cubic root of 1143173 is about 104.5612226431.

Adding to 1143173 its reverse (3713411), we get a palindrome (4856584).

The spelling of 1143173 in words is "one million, one hundred forty-three thousand, one hundred seventy-three".