115280 has 40 divisors (see below), whose sum is σ = 294624. Its totient is φ = 41600.

The previous prime is 115279. The next prime is 115301. The reversal of 115280 is 82511.

It is a tau number, because it is divible by the number of its divisors (40).

It is a zygodrome in base 7.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815 + ... + 945.

2¹¹⁵²⁸⁰ is an apocalyptic number.

115280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147312).

115280 is an abundant number, since it is smaller than the sum of its proper divisors (179344).

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

115280 is a wasteful number, since it uses less digits than its factorization.

115280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 115280 is about 339.5290856466. The cubic root of 115280 is about 48.6688766954.

115280 divided by its product of nonzero digits (80) gives a palindrome (1441).

Adding to 115280 its reverse (82511), we get a palindrome (197791).

The spelling of 115280 in words is "one hundred fifteen thousand, two hundred eighty".