1116143 has 8 divisors (see below), whose sum is σ = 1307040. Its totient is φ = 933120.

The previous prime is 1116133. The next prime is 1116163. The reversal of 1116143 is 3416111.

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 1116143 - 2¹² = 1112047 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116133) 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, 1658 + ... + 2231.

It is an arithmetic number, because the mean of its divisors is an integer number (163380).

2^1116143 is an apocalyptic number.

1116143 is a deficient number, since it is larger than the sum of its proper divisors (190897).

1116143 is an equidigital number, since it uses as much as digits as its factorization.

1116143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937.

The product of its digits is 72, while the sum is 17.

The square root of 1116143 is about 1056.4766916501. The cubic root of 1116143 is about 103.7305339199.

Subtracting 1116143 from its reverse (3416111), we obtain a cube (2299968 = 132³).

The spelling of 1116143 in words is "one million, one hundred sixteen thousand, one hundred forty-three".