112440 has 32 divisors (see below), whose sum is σ = 337680. Its totient is φ = 29952.

The previous prime is 112429. The next prime is 112459. The reversal of 112440 is 44211.

112440 is nontrivially palindromic in base 7.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349 + ... + 588.

2¹¹²⁴⁴⁰ is an apocalyptic number.

112440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112440 is an abundant number, since it is smaller than the sum of its proper divisors (225240).

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

112440 is a wasteful number, since it uses less digits than its factorization.

112440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 112440 is about 335.3207419770. The cubic root of 112440 is about 48.2658855763.

Adding to 112440 its reverse (44211), we get a palindrome (156651).

The spelling of 112440 in words is "one hundred twelve thousand, four hundred forty", and thus it is an iban number.