112201 has 8 divisors (see below), whose sum is σ = 119880. Its totient is φ = 104832.
The previous prime is 112199. The next prime is 112207. The reversal of 112201 is 102211.
It can be written as a sum of positive squares in 4 ways, for example, as 30976 + 81225 = 176^2 + 285^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 112201 - 21 = 112199 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 8 and base 11.
It is a zygodrome in base 8.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112207) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501 + ... + 1573.
It is an arithmetic number, because the mean of its divisors is an integer number (14985).
2112201 is an apocalyptic number.
It is an amenable number.
112201 is a deficient number, since it is larger than the sum of its proper divisors (7679).
112201 is an equidigital number, since it uses as much as digits as its factorization.
112201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 155.
The product of its (nonzero) digits is 4, while the sum is 7.
The square root of 112201 is about 334.9641771891. The cubic root of 112201 is about 48.2316636815.
Adding to 112201 its reverse (102211), we get a palindrome (214412).
It can be divided in two parts, 112 and 201, that added together give a palindrome (313).
The spelling of 112201 in words is "one hundred twelve thousand, two hundred one", and thus it is an iban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.090 sec. • engine limits •