1116028812 has 12 divisors (see below), whose sum is σ = 2604067256. Its totient is φ = 372009600.

The previous prime is 1116028657. The next prime is 1116028831. The reversal of 1116028812 is 2188206111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1116028812.

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, 46501189 + ... + 46501212.

Almost surely, 2^1116028812 is an apocalyptic number.

1116028812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1116028812 is an abundant number, since it is smaller than the sum of its proper divisors (1488038444).

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

1116028812 is a wasteful number, since it uses less digits than its factorization.

1116028812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93002408 (or 93002406 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 30.

The square root of 1116028812 is about 33407.0174065270. The cubic root of 1116028812 is about 1037.2699638447.

The spelling of 1116028812 in words is "one billion, one hundred sixteen million, twenty-eight thousand, eight hundred twelve".