118547 has 8 divisors (see below), whose sum is σ = 139440. Its totient is φ = 99360.

The previous prime is 118543. The next prime is 118549. The reversal of 118547 is 745811.

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

It is a cyclic number.

It is not a de Polignac number, because 118547 - 2² = 118543 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118543) 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, 272 + ... + 557.

It is an arithmetic number, because the mean of its divisors is an integer number (17430).

2¹¹⁸⁵⁴⁷ is an apocalyptic number.

118547 is a deficient number, since it is larger than the sum of its proper divisors (20893).

118547 is a wasteful number, since it uses less digits than its factorization.

118547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853.

The product of its digits is 1120, while the sum is 26.

The square root of 118547 is about 344.3065494585. The cubic root of 118547 is about 49.1243544170.

Subtracting 118547 from its reverse (745811), we obtain a square (627264 = 792²).

It can be divided in two parts, 118 and 547, that multiplied together give a palindrome (64546).

The spelling of 118547 in words is "one hundred eighteen thousand, five hundred forty-seven".