43112 has 16 divisors (see below), whose sum is σ = 85860. Its totient is φ = 20224.

The previous prime is 43103. The next prime is 43117. The reversal of 43112 is 21134.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42436 + 676 = 206^2 + 26^2 .

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 43093 and 43102.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 43112.

It is not an unprimeable number, because it can be changed into a prime (43117) by changing a digit.

43112 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 3 ways as a sum of consecutive naturals, for example, 23 + ... + 294.

2⁴³¹¹² is an apocalyptic number.

It is an amenable number.

43112 is a deficient number, since it is larger than the sum of its proper divisors (42748).

43112 is a wasteful number, since it uses less digits than its factorization.

43112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 336 counting only the distinct ones).

The product of its digits is 24, while the sum is 11.

The square root of 43112 is about 207.6342938919. The cubic root of 43112 is about 35.0643713328.

Adding to 43112 its reverse (21134), we get a palindrome (64246).

The spelling of 43112 in words is "forty-three thousand, one hundred twelve", and thus it is an iban number.