118947 has 8 divisors (see below), whose sum is σ = 163840. Its totient is φ = 76680.

The previous prime is 118931. The next prime is 118967. The reversal of 118947 is 749811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118947 - 2⁴ = 118931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547 + ... + 732.

It is an arithmetic number, because the mean of its divisors is an integer number (20480).

2¹¹⁸⁹⁴⁷ is an apocalyptic number.

118947 is a deficient number, since it is larger than the sum of its proper divisors (44893).

118947 is a wasteful number, since it uses less digits than its factorization.

118947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1313.

The product of its digits is 2016, while the sum is 30.

The square root of 118947 is about 344.8869379956. The cubic root of 118947 is about 49.1795440112.

The spelling of 118947 in words is "one hundred eighteen thousand, nine hundred forty-seven".