1116142272 has 84 divisors (see below), whose sum is σ = 3656264976. Its totient is φ = 318896640.

The previous prime is 1116142243. The next prime is 1116142273. The reversal of 1116142272 is 2722416111.

1116142272 is a `hidden beast` number, since 11 + 161 + 422 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is not an unprimeable number, because it can be changed into a prime (1116142273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134379 + ... + 142442.

It is an arithmetic number, because the mean of its divisors is an integer number (43526964).

Almost surely, 2^1116142272 is an apocalyptic number.

1116142272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1116142272 is an abundant number, since it is smaller than the sum of its proper divisors (2540122704).

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

1116142272 is a wasteful number, since it uses less digits than its factorization.

1116142272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276846 (or 276833 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1116142272 is about 33408.7155095792. The cubic root of 1116142272 is about 1037.3051136726.

Adding to 1116142272 its reverse (2722416111), we get a palindrome (3838558383).

The spelling of 1116142272 in words is "one billion, one hundred sixteen million, one hundred forty-two thousand, two hundred seventy-two".