118540 has 12 divisors (see below), whose sum is σ = 248976. Its totient is φ = 47408.

The previous prime is 118529. The next prime is 118543. The reversal of 118540 is 45811.

It is a zygodrome in base 2.

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 3 ways as a sum of consecutive naturals, for example, 2944 + ... + 2983.

It is an arithmetic number, because the mean of its divisors is an integer number (20748).

2¹¹⁸⁵⁴⁰ is an apocalyptic number.

118540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118540 is an abundant number, since it is smaller than the sum of its proper divisors (130436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118540 is a wasteful number, since it uses less digits than its factorization.

118540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5936 (or 5934 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 118540 is about 344.2963839485. The cubic root of 118540 is about 49.1233874946.

It can be divided in two parts, 1185 and 40, that added together give a triangular number (1225 = T₄₉).

The spelling of 118540 in words is "one hundred eighteen thousand, five hundred forty".