118775147 has 2 divisors, whose sum is σ = 118775148. Its totient is φ = 118775146.

The previous prime is 118775131. The next prime is 118775149. The reversal of 118775147 is 741577811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118775147 - 2⁴ = 118775131 is a prime.

Together with 118775149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118775149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59387573 + 59387574.

It is an arithmetic number, because the mean of its divisors is an integer number (59387574).

Almost surely, 2^118775147 is an apocalyptic number.

118775147 is a deficient number, since it is larger than the sum of its proper divisors (1).

118775147 is an equidigital number, since it uses as much as digits as its factorization.

118775147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54880, while the sum is 41.

The square root of 118775147 is about 10898.4011212654. The cubic root of 118775147 is about 491.5584795125.

The spelling of 118775147 in words is "one hundred eighteen million, seven hundred seventy-five thousand, one hundred forty-seven".