1130143 has 8 divisors (see below), whose sum is σ = 1367712. Its totient is φ = 911616.

The previous prime is 1130131. The next prime is 1130191. The reversal of 1130143 is 3410311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130143 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 (1130123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4630 + ... + 4867.

It is an arithmetic number, because the mean of its divisors is an integer number (170964).

2^1130143 is an apocalyptic number.

1130143 is a deficient number, since it is larger than the sum of its proper divisors (237569).

1130143 is an equidigital number, since it uses as much as digits as its factorization.

1130143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1130143 is about 1063.0818406877. The cubic root of 1130143 is about 104.1624372327.

Adding to 1130143 its reverse (3410311), we get a palindrome (4540454).

The spelling of 1130143 in words is "one million, one hundred thirty thousand, one hundred forty-three".