111104 has 40 divisors (see below), whose sum is σ = 261888. Its totient is φ = 46080.
The previous prime is 111103. The next prime is 111109. The reversal of 111104 is 401111.
It is a Harshad number since it is a multiple of its sum of digits (8).
It is a nialpdrome in base 8.
It is a junction number, because it is equal to n+sod(n) for n = 111091 and 111100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (111103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3569 + ... + 3599.
2111104 is an apocalyptic number.
111104 is a gapful number since it is divisible by the number (14) 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 111104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130944).
111104 is an abundant number, since it is smaller than the sum of its proper divisors (150784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111104 is an frugal number, since it uses more digits than its factorization.
111104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56 (or 40 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 8.
The square root of 111104 is about 333.3226664960. The cubic root of 111104 is about 48.0739600553.
Adding to 111104 its reverse (401111), we get a palindrome (512215).
The spelling of 111104 in words is "one hundred eleven thousand, one hundred four", and thus it is an iban number.
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