111740 has 24 divisors (see below), whose sum is σ = 242592. Its totient is φ = 43200.

The previous prime is 111733. The next prime is 111751. The reversal of 111740 is 47111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

111740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665 + ... + 815.

It is an arithmetic number, because the mean of its divisors is an integer number (10108).

2¹¹¹⁷⁴⁰ is an apocalyptic number.

111740 is a gapful number since it is divisible by the number (10) 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 111740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121296).

111740 is an abundant number, since it is smaller than the sum of its proper divisors (130852).

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

111740 is a wasteful number, since it uses less digits than its factorization.

111740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 195 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 111740 is about 334.2753356142. The cubic root of 111740 is about 48.1655165625.

Adding to 111740 its reverse (47111), we get a palindrome (158851).

The spelling of 111740 in words is "one hundred eleven thousand, seven hundred forty", and thus it is an iban number.