118387 has 2 divisors, whose sum is σ = 118388. Its totient is φ = 118386.

The previous prime is 118373. The next prime is 118399. The reversal of 118387 is 783811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118387 - 2⁷ = 118259 is a prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (118687) 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 as a sum of consecutive naturals, namely, 59193 + 59194.

It is an arithmetic number, because the mean of its divisors is an integer number (59194).

2¹¹⁸³⁸⁷ is an apocalyptic number.

118387 is a deficient number, since it is larger than the sum of its proper divisors (1).

118387 is an equidigital number, since it uses as much as digits as its factorization.

118387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 28.

The square root of 118387 is about 344.0741199219. The cubic root of 118387 is about 49.1022438182.

It can be divided in two parts, 118 and 387, that added together give a palindrome (505).

The spelling of 118387 in words is "one hundred eighteen thousand, three hundred eighty-seven".