1142784268 has 12 divisors (see below), whose sum is σ = 2117512152. Its totient is φ = 537780800.

The previous prime is 1142784259. The next prime is 1142784271. The reversal of 1142784268 is 8624872411.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8402758 + ... + 8402893.

It is an arithmetic number, because the mean of its divisors is an integer number (176459346).

Almost surely, 2^1142784268 is an apocalyptic number.

It is an amenable number.

1142784268 is a deficient number, since it is larger than the sum of its proper divisors (974727884).

1142784268 is a wasteful number, since it uses less digits than its factorization.

1142784268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16805672 (or 16805670 counting only the distinct ones).

The product of its digits is 172032, while the sum is 43.

The square root of 1142784268 is about 33805.0923382854. The cubic root of 1142784268 is about 1045.4936940620.

The spelling of 1142784268 in words is "one billion, one hundred forty-two million, seven hundred eighty-four thousand, two hundred sixty-eight".