118286471 has 2 divisors, whose sum is σ = 118286472. Its totient is φ = 118286470.

The previous prime is 118286461. The next prime is 118286573. The reversal of 118286471 is 174682811.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (174682811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118286471 is a prime.

It is a super-3 number, since 3×118286471³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain 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 (118286431) 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, 59143235 + 59143236.

It is an arithmetic number, because the mean of its divisors is an integer number (59143236).

Almost surely, 2^118286471 is an apocalyptic number.

118286471 is a deficient number, since it is larger than the sum of its proper divisors (1).

118286471 is an equidigital number, since it uses as much as digits as its factorization.

118286471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 38.

The square root of 118286471 is about 10875.9583945508. The cubic root of 118286471 is about 490.8834139841.

The spelling of 118286471 in words is "one hundred eighteen million, two hundred eighty-six thousand, four hundred seventy-one".