118528 has 18 divisors (see below), whose sum is σ = 237104. Its totient is φ = 59136.

The previous prime is 118493. The next prime is 118529. The reversal of 118528 is 825811.

It is an Ulam number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25 + ... + 487.

2¹¹⁸⁵²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118552).

118528 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

118528 is an frugal number, since it uses more digits than its factorization.

118528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 465 counting only the distinct ones).

The product of its digits is 640, while the sum is 25.

The square root of 118528 is about 344.2789566616. The cubic root of 118528 is about 49.1217298248.

It can be divided in two parts, 118 and 528, that added together give a palindrome (646).

The spelling of 118528 in words is "one hundred eighteen thousand, five hundred twenty-eight".