118669 has 2 divisors, whose sum is σ = 118670. Its totient is φ = 118668.

The previous prime is 118661. The next prime is 118673. The reversal of 118669 is 966811.

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., 62500 + 56169 = 250^2 + 237^2 .

It is a cyclic number.

It is not a de Polignac number, because 118669 - 2³ = 118661 is a prime.

It is a super-2 number, since 2×118669² = 28164663122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118669.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118661) 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, 59334 + 59335.

It is an arithmetic number, because the mean of its divisors is an integer number (59335).

2¹¹⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

118669 is a deficient number, since it is larger than the sum of its proper divisors (1).

118669 is an equidigital number, since it uses as much as digits as its factorization.

118669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 31.

The square root of 118669 is about 344.4836716014. The cubic root of 118669 is about 49.1412003839.

It can be divided in two parts, 118 and 669, that added together give a palindrome (787).

The spelling of 118669 in words is "one hundred eighteen thousand, six hundred sixty-nine".