130081 has 4 divisors (see below), whose sum is σ = 148672. Its totient is φ = 111492.

The previous prime is 130079. The next prime is 130087. The reversal of 130081 is 180031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180031 = 41 ⋅4391.

It is a cyclic number.

It is not a de Polignac number, because 130081 - 2¹ = 130079 is a prime.

It is a super-2 number, since 2×130081² = 33842133122, which contains 22 as substring.

It is a Duffinian number.

130081 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (130087) 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, 9285 + ... + 9298.

It is an arithmetic number, because the mean of its divisors is an integer number (37168).

2¹³⁰⁰⁸¹ is an apocalyptic number.

It is an amenable number.

130081 is a deficient number, since it is larger than the sum of its proper divisors (18591).

130081 is an equidigital number, since it uses as much as digits as its factorization.

130081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18590.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 130081 is about 360.6674368445. The cubic root of 130081 is about 50.6684892773.

The spelling of 130081 in words is "one hundred thirty thousand, eighty-one".