1143116 has 36 divisors (see below), whose sum is σ = 2305800. Its totient is φ = 494208.

The previous prime is 1143113. The next prime is 1143143. The reversal of 1143116 is 6113411.

It is a junction number, because it is equal to n+sod(n) for n = 1143094 and 1143103.

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 11 ways as a sum of consecutive naturals, for example, 12800 + ... + 12888.

It is an arithmetic number, because the mean of its divisors is an integer number (64050).

2^1143116 is an apocalyptic number.

It is an amenable number.

1143116 is an abundant number, since it is smaller than the sum of its proper divisors (1162684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143116 is a wasteful number, since it uses less digits than its factorization.

1143116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 123 counting only the distinct ones).

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

The square root of 1143116 is about 1069.1660301375. The cubic root of 1143116 is about 104.5594847642.

Adding to 1143116 its reverse (6113411), we get a palindrome (7256527).

The spelling of 1143116 in words is "one million, one hundred forty-three thousand, one hundred sixteen".