118843 has 2 divisors, whose sum is σ = 118844. Its totient is φ = 118842.

The previous prime is 118831. The next prime is 118861. The reversal of 118843 is 348811.

It is a weak prime.

It is an emirp because it is prime and its reverse (348811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118843 - 2¹³ = 110651 is a prime.

It is not a weakly prime, because it can be changed into another prime (118873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59421 + 59422.

It is an arithmetic number, because the mean of its divisors is an integer number (59422).

2¹¹⁸⁸⁴³ is an apocalyptic number.

118843 is a deficient number, since it is larger than the sum of its proper divisors (1).

118843 is an equidigital number, since it uses as much as digits as its factorization.

118843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 25.

The square root of 118843 is about 344.7361309756. The cubic root of 118843 is about 49.1652066342.

It can be divided in two parts, 118 and 843, that added together give a square (961 = 31²).

The spelling of 118843 in words is "one hundred eighteen thousand, eight hundred forty-three".