118775117 has 2 divisors, whose sum is σ = 118775118. Its totient is φ = 118775116.

The previous prime is 118775101. The next prime is 118775131. The reversal of 118775117 is 711577811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111218116 + 7557001 = 10546^2 + 2749^2 .

It is a cyclic number.

It is not a de Polignac number, because 118775117 - 2⁴ = 118775101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118775147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59387558 + 59387559.

It is an arithmetic number, because the mean of its divisors is an integer number (59387559).

Almost surely, 2^118775117 is an apocalyptic number.

It is an amenable number.

118775117 is a deficient number, since it is larger than the sum of its proper divisors (1).

118775117 is an equidigital number, since it uses as much as digits as its factorization.

118775117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13720, while the sum is 38.

The square root of 118775117 is about 10898.3997449167. The cubic root of 118775117 is about 491.5584381268.

The spelling of 118775117 in words is "one hundred eighteen million, seven hundred seventy-five thousand, one hundred seventeen".