1117027836 has 36 divisors (see below), whose sum is σ = 2914684864. Its totient is φ = 360331200.

The previous prime is 1117027831. The next prime is 1117027843. The reversal of 1117027836 is 6387207111.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1117027836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117027831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499345 + ... + 501576.

Almost surely, 2^1117027836 is an apocalyptic number.

It is an amenable number.

1117027836 is an abundant number, since it is smaller than the sum of its proper divisors (1797657028).

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

1117027836 is a wasteful number, since it uses less digits than its factorization.

1117027836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000962 (or 1000957 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1117027836 is about 33421.9663694403. The cubic root of 1117027836 is about 1037.5793789558.

The spelling of 1117027836 in words is "one billion, one hundred seventeen million, twenty-seven thousand, eight hundred thirty-six".