130243 has 4 divisors (see below), whose sum is σ = 131320. Its totient is φ = 129168.

The previous prime is 130241. The next prime is 130253. The reversal of 130243 is 342031.

130243 is nontrivially palindromic in base 7.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 342031 = 211 ⋅1621.

It is a cyclic number.

It is not a de Polignac number, because 130243 - 2¹ = 130241 is a prime.

It is a Duffinian number.

130243 is a lucky number.

It is a plaindrome in base 15.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (130241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330 + ... + 607.

It is an arithmetic number, because the mean of its divisors is an integer number (32830).

2¹³⁰²⁴³ is an apocalyptic number.

130243 is a deficient number, since it is larger than the sum of its proper divisors (1077).

130243 is an equidigital number, since it uses as much as digits as its factorization.

130243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 130243 is about 360.8919505891. The cubic root of 130243 is about 50.6895143569.

Adding to 130243 its reverse (342031), we get a palindrome (472274).

It can be divided in two parts, 130 and 243, that added together give a palindrome (373).

The spelling of 130243 in words is "one hundred thirty thousand, two hundred forty-three".