118340197 has 2 divisors, whose sum is σ = 118340198. Its totient is φ = 118340196.

The previous prime is 118340177. The next prime is 118340207. The reversal of 118340197 is 791043811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109286116 + 9054081 = 10454^2 + 3009^2 .

It is a cyclic number.

It is not a de Polignac number, because 118340197 - 2¹⁵ = 118307429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118340137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59170098 + 59170099.

It is an arithmetic number, because the mean of its divisors is an integer number (59170099).

Almost surely, 2^118340197 is an apocalyptic number.

It is an amenable number.

118340197 is a deficient number, since it is larger than the sum of its proper divisors (1).

118340197 is an equidigital number, since it uses as much as digits as its factorization.

118340197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 118340197 is about 10878.4280573987. The cubic root of 118340197 is about 490.9577228778.

The spelling of 118340197 in words is "one hundred eighteen million, three hundred forty thousand, one hundred ninety-seven".