110891 has 8 divisors (see below), whose sum is σ = 128304. Its totient is φ = 94720.
The previous prime is 110881. The next prime is 110899. The reversal of 110891 is 198011.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-110891 is a prime.
It is not an unprimeable number, because it can be changed into a prime (110899) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110 + ... + 483.
It is an arithmetic number, because the mean of its divisors is an integer number (16038).
2110891 is an apocalyptic number.
110891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
110891 is a deficient number, since it is larger than the sum of its proper divisors (17413).
110891 is a wasteful number, since it uses less digits than its factorization.
110891 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 621.
The product of its (nonzero) digits is 72, while the sum is 20.
The square root of 110891 is about 333.0030029895. The cubic root of 110891 is about 48.0432191756.
It can be divided in two parts, 110 and 891, that added together give a palindrome (1001).
The spelling of 110891 in words is "one hundred ten thousand, eight hundred ninety-one".
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