118200169 has 2 divisors, whose sum is σ = 118200170. Its totient is φ = 118200168.

The previous prime is 118200157. The next prime is 118200193. The reversal of 118200169 is 961002811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104040000 + 14160169 = 10200^2 + 3763^2 .

It is an emirp because it is prime and its reverse (961002811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118200169 - 2⁷ = 118200041 is a prime.

It is a super-2 number, since 2×118200169² = 27942559903257122, which contains 22 as substring.

It is equal to p_6745042 and since 118200169 and 6745042 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (118200109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59100084 + 59100085.

It is an arithmetic number, because the mean of its divisors is an integer number (59100085).

Almost surely, 2^118200169 is an apocalyptic number.

It is an amenable number.

118200169 is a deficient number, since it is larger than the sum of its proper divisors (1).

118200169 is an equidigital number, since it uses as much as digits as its factorization.

118200169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 118200169 is about 10871.9901122104. The cubic root of 118200169 is about 490.7640018282.

The spelling of 118200169 in words is "one hundred eighteen million, two hundred thousand, one hundred sixty-nine".