181059 has 4 divisors (see below), whose sum is σ = 241416. Its totient is φ = 120704.

The previous prime is 181039. The next prime is 181061. The reversal of 181059 is 950181.

181059 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 181059 - 2⁹ = 180547 is a prime.

It is a super-2 number, since 2×181059² = 65564722962, which contains 22 as substring.

It is a D-number.

181059 is strictly pandigital in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 181059.

It is not an unprimeable number, because it can be changed into a prime (181019) 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, 30174 + ... + 30179.

It is an arithmetic number, because the mean of its divisors is an integer number (60354).

2¹⁸¹⁰⁵⁹ is an apocalyptic number.

181059 is a deficient number, since it is larger than the sum of its proper divisors (60357).

181059 is an equidigital number, since it uses as much as digits as its factorization.

181059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60356.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 181059 is about 425.5102818969. The cubic root of 181059 is about 56.5726738615.

The spelling of 181059 in words is "one hundred eighty-one thousand, fifty-nine".