1143668 has 12 divisors (see below), whose sum is σ = 2030112. Its totient is φ = 563640.

The previous prime is 1143661. The next prime is 1143679. The reversal of 1143668 is 8663411.

It is a self number, because there is not a number n which added to its sum of digits gives 1143668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1730 + ... + 2297.

It is an arithmetic number, because the mean of its divisors is an integer number (169176).

2^1143668 is an apocalyptic number.

It is an amenable number.

1143668 is a deficient number, since it is larger than the sum of its proper divisors (886444).

1143668 is a wasteful number, since it uses less digits than its factorization.

1143668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102 (or 4100 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 1143668 is about 1069.4241441075. The cubic root of 1143668 is about 104.5763123209.

The spelling of 1143668 in words is "one million, one hundred forty-three thousand, six hundred sixty-eight".