118369 has 2 divisors, whose sum is σ = 118370. Its totient is φ = 118368.

The previous prime is 118361. The next prime is 118373. The reversal of 118369 is 963811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97344 + 21025 = 312^2 + 145^2 .

It is an emirp because it is prime and its reverse (963811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118369 - 2³ = 118361 is a prime.

It is a super-2 number, since 2×118369² = 28022440322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59184 + 59185.

It is an arithmetic number, because the mean of its divisors is an integer number (59185).

2¹¹⁸³⁶⁹ is an apocalyptic number.

It is an amenable number.

118369 is a deficient number, since it is larger than the sum of its proper divisors (1).

118369 is an equidigital number, since it uses as much as digits as its factorization.

118369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The square root of 118369 is about 344.0479617728. The cubic root of 118369 is about 49.0997551295.

Subtracting from 118369 its sum of digits (28), we obtain a triangular number (118341 = T₄₈₆).

The spelling of 118369 in words is "one hundred eighteen thousand, three hundred sixty-nine".