281080 has 16 divisors (see below), whose sum is σ = 632520. Its totient is φ = 112416.

The previous prime is 281069. The next prime is 281081. The reversal of 281080 is 80182.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281081) 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, 3474 + ... + 3553.

2²⁸¹⁰⁸⁰ is an apocalyptic number.

281080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

281080 is an abundant number, since it is smaller than the sum of its proper divisors (351440).

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

281080 is a wasteful number, since it uses less digits than its factorization.

281080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7038 (or 7034 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 281080 is about 530.1697841258. The cubic root of 281080 is about 65.5053314232.

The spelling of 281080 in words is "two hundred eighty-one thousand, eighty".