112549 has 4 divisors (see below), whose sum is σ = 116460. Its totient is φ = 108640.

The previous prime is 112543. The next prime is 112559. The reversal of 112549 is 945211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65025 + 47524 = 255^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 112549 - 2¹¹ = 110501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1912 + ... + 1969.

It is an arithmetic number, because the mean of its divisors is an integer number (29115).

2¹¹²⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

112549 is a deficient number, since it is larger than the sum of its proper divisors (3911).

112549 is an equidigital number, since it uses as much as digits as its factorization.

112549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910.

The product of its digits is 360, while the sum is 22.

The square root of 112549 is about 335.4832335602. The cubic root of 112549 is about 48.2814769507.

The spelling of 112549 in words is "one hundred twelve thousand, five hundred forty-nine".