1117844112 has 160 divisors (see below), whose sum is σ = 3812327424. Its totient is φ = 273254400.

The previous prime is 1117844107. The next prime is 1117844177. The reversal of 1117844112 is 2114487111.

It is a super-3 number, since 3×1117844112³ (a number of 28 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1117844112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53937 + ... + 71727.

Almost surely, 2^1117844112 is an apocalyptic number.

1117844112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117844112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1906163712).

1117844112 is an abundant number, since it is smaller than the sum of its proper divisors (2694483312).

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

1117844112 is a wasteful number, since it uses less digits than its factorization.

1117844112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17837 (or 17831 counting only the distinct ones).

The product of its digits is 1792, while the sum is 30.

The square root of 1117844112 is about 33434.1758085944. The cubic root of 1117844112 is about 1037.8320569096.

The spelling of 1117844112 in words is "one billion, one hundred seventeen million, eight hundred forty-four thousand, one hundred twelve".