118228147 has 2 divisors, whose sum is σ = 118228148. Its totient is φ = 118228146.

The previous prime is 118228129. The next prime is 118228169. The reversal of 118228147 is 741822811.

It is a weak prime.

It is an emirp because it is prime and its reverse (741822811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118228147 - 2¹⁵ = 118195379 is a prime.

It is not a weakly prime, because it can be changed into another prime (118228177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59114073 + 59114074.

It is an arithmetic number, because the mean of its divisors is an integer number (59114074).

Almost surely, 2^118228147 is an apocalyptic number.

118228147 is a deficient number, since it is larger than the sum of its proper divisors (1).

118228147 is an equidigital number, since it uses as much as digits as its factorization.

118228147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 34.

The square root of 118228147 is about 10873.2767370283. The cubic root of 118228147 is about 490.8027200809.

The spelling of 118228147 in words is "one hundred eighteen million, two hundred twenty-eight thousand, one hundred forty-seven".