181080126 has 24 divisors (see below), whose sum is σ = 392900040. Its totient is φ = 60273936.

The previous prime is 181080113. The next prime is 181080157. The reversal of 181080126 is 621080181.

It is a self number, because there is not a number n which added to its sum of digits gives 181080126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6496 + ... + 20108.

It is an arithmetic number, because the mean of its divisors is an integer number (16370835).

Almost surely, 2^181080126 is an apocalyptic number.

181080126 is an abundant number, since it is smaller than the sum of its proper divisors (211819914).

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

181080126 is a wasteful number, since it uses less digits than its factorization.

181080126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14360 (or 14357 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 181080126 is about 13456.6015769213. The cubic root of 181080126 is about 565.7487407958.

The spelling of 181080126 in words is "one hundred eighty-one million, eighty thousand, one hundred twenty-six".