118747147 has 2 divisors, whose sum is σ = 118747148. Its totient is φ = 118747146.

The previous prime is 118747133. The next prime is 118747151. The reversal of 118747147 is 741747811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118747147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118747157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59373573 + 59373574.

It is an arithmetic number, because the mean of its divisors is an integer number (59373574).

Almost surely, 2^118747147 is an apocalyptic number.

118747147 is a deficient number, since it is larger than the sum of its proper divisors (1).

118747147 is an equidigital number, since it uses as much as digits as its factorization.

118747147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43904, while the sum is 40.

The square root of 118747147 is about 10897.1164534477. The cubic root of 118747147 is about 491.5198498848.

The spelling of 118747147 in words is "one hundred eighteen million, seven hundred forty-seven thousand, one hundred forty-seven".