1143112 has 16 divisors (see below), whose sum is σ = 2193840. Its totient is φ = 558096.

The previous prime is 1143101. The next prime is 1143113. The reversal of 1143112 is 2113411.

It is a junction number, because it is equal to n+sod(n) for n = 1143092 and 1143101.

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, 1318 + ... + 2005.

It is an arithmetic number, because the mean of its divisors is an integer number (137115).

2^1143112 is an apocalyptic number.

It is an amenable number.

1143112 is a deficient number, since it is larger than the sum of its proper divisors (1050728).

1143112 is a wasteful number, since it uses less digits than its factorization.

1143112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372 (or 3368 counting only the distinct ones).

The product of its digits is 24, while the sum is 13.

The square root of 1143112 is about 1069.1641595190. The cubic root of 1143112 is about 104.5593628056.

Adding to 1143112 its reverse (2113411), we get a palindrome (3256523).

Subtracting 1143112 from its reverse (2113411), we obtain a cube (970299 = 99³).

The spelling of 1143112 in words is "one million, one hundred forty-three thousand, one hundred twelve".