118229 has 4 divisors (see below), whose sum is σ = 119040. Its totient is φ = 117420.

The previous prime is 118219. The next prime is 118247. The reversal of 118229 is 922811.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 118229 - 2⁴ = 118213 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 (118219) 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, 119 + ... + 500.

It is an arithmetic number, because the mean of its divisors is an integer number (29760).

2¹¹⁸²²⁹ is an apocalyptic number.

It is an amenable number.

118229 is a deficient number, since it is larger than the sum of its proper divisors (811).

118229 is an equidigital number, since it uses as much as digits as its factorization.

118229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810.

The product of its digits is 288, while the sum is 23.

The square root of 118229 is about 343.8444415721. The cubic root of 118229 is about 49.0803900436.

The spelling of 118229 in words is "one hundred eighteen thousand, two hundred twenty-nine".