118747 has 2 divisors, whose sum is σ = 118748. Its totient is φ = 118746.

The previous prime is 118739. The next prime is 118751. The reversal of 118747 is 747811.

It is a strong prime.

It is an emirp because it is prime and its reverse (747811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118747 - 2³ = 118739 is a prime.

It is not a weakly prime, because it can be changed into another prime (118717) 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, 59373 + 59374.

It is an arithmetic number, because the mean of its divisors is an integer number (59374).

2¹¹⁸⁷⁴⁷ is an apocalyptic number.

118747 is a deficient number, since it is larger than the sum of its proper divisors (1).

118747 is an equidigital number, since it uses as much as digits as its factorization.

118747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1568, while the sum is 28.

The square root of 118747 is about 344.5968659173. The cubic root of 118747 is about 49.1519647063.

It can be divided in two parts, 11874 and 7, that added together give a square (11881 = 109²).

The spelling of 118747 in words is "one hundred eighteen thousand, seven hundred forty-seven".