1140821084 has 12 divisors (see below), whose sum is σ = 2150009064. Its totient is φ = 526532784.

The previous prime is 1140821069. The next prime is 1140821093. The reversal of 1140821084 is 4801280411.

It is a happy number.

It is a congruent number.

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, 10969382 + ... + 10969485.

It is an arithmetic number, because the mean of its divisors is an integer number (179167422).

Almost surely, 2^1140821084 is an apocalyptic number.

It is an amenable number.

1140821084 is a deficient number, since it is larger than the sum of its proper divisors (1009187980).

1140821084 is a wasteful number, since it uses less digits than its factorization.

1140821084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21938884 (or 21938882 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 1140821084 is about 33776.0430482909. The cubic root of 1140821084 is about 1044.8946679239.

The spelling of 1140821084 in words is "one billion, one hundred forty million, eight hundred twenty-one thousand, eighty-four".