112001 has 4 divisors (see below), whose sum is σ = 114432. Its totient is φ = 109572.

The previous prime is 111997. The next prime is 112019. The reversal of 112001 is 100211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100211 = 23 ⋅4357.

It is a cyclic number.

It is not a de Polignac number, because 112001 - 2² = 111997 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145 + ... + 1238.

It is an arithmetic number, because the mean of its divisors is an integer number (28608).

2¹¹²⁰⁰¹ is an apocalyptic number.

It is an amenable number.

112001 is a deficient number, since it is larger than the sum of its proper divisors (2431).

112001 is an equidigital number, since it uses as much as digits as its factorization.

112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 112001 is about 334.6655046461. The cubic root of 112001 is about 48.2029887439.

Adding to 112001 its reverse (100211), we get a palindrome (212212).

Multiplying 112001 by its reverse (100211), we get a palindrome (11223732211).

The spelling of 112001 in words is "one hundred twelve thousand, one", and thus it is an iban number.