281172 has 12 divisors (see below), whose sum is σ = 656096. Its totient is φ = 93720.

The previous prime is 281167. The next prime is 281189. The reversal of 281172 is 271182.

281172 is nontrivially palindromic in base 11.

281172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281172.

It is an unprimeable number.

281172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 3 ways as a sum of consecutive naturals, for example, 11704 + ... + 11727.

2²⁸¹¹⁷² is an apocalyptic number.

It is an amenable number.

281172 is an abundant number, since it is smaller than the sum of its proper divisors (374924).

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

281172 is a wasteful number, since it uses less digits than its factorization.

281172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23438 (or 23436 counting only the distinct ones).

The product of its digits is 224, while the sum is 21.

The square root of 281172 is about 530.2565416852. The cubic root of 281172 is about 65.5124774707.

The spelling of 281172 in words is "two hundred eighty-one thousand, one hundred seventy-two".