118341247 has 2 divisors, whose sum is σ = 118341248. Its totient is φ = 118341246.

The previous prime is 118341221. The next prime is 118341271. The reversal of 118341247 is 742143811.

It is a strong prime.

It is an emirp because it is prime and its reverse (742143811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118341247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118341277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59170623 + 59170624.

It is an arithmetic number, because the mean of its divisors is an integer number (59170624).

Almost surely, 2^118341247 is an apocalyptic number.

118341247 is a deficient number, since it is larger than the sum of its proper divisors (1).

118341247 is an equidigital number, since it uses as much as digits as its factorization.

118341247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

The square root of 118341247 is about 10878.4763179409. The cubic root of 118341247 is about 490.9591749177.

The spelling of 118341247 in words is "one hundred eighteen million, three hundred forty-one thousand, two hundred forty-seven".