118386617 has 2 divisors, whose sum is σ = 118386618. Its totient is φ = 118386616.

The previous prime is 118386599. The next prime is 118386661. The reversal of 118386617 is 716683811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85082176 + 33304441 = 9224^2 + 5771^2 .

It is an emirp because it is prime and its reverse (716683811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118386617 - 2⁶ = 118386553 is a prime.

It is not a weakly prime, because it can be changed into another prime (118386677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59193308 + 59193309.

It is an arithmetic number, because the mean of its divisors is an integer number (59193309).

Almost surely, 2^118386617 is an apocalyptic number.

It is an amenable number.

118386617 is a deficient number, since it is larger than the sum of its proper divisors (1).

118386617 is an equidigital number, since it uses as much as digits as its factorization.

118386617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 118386617 is about 10880.5614285293. The cubic root of 118386617 is about 491.0219086710.

The spelling of 118386617 in words is "one hundred eighteen million, three hundred eighty-six thousand, six hundred seventeen".