18000126 has 24 divisors (see below), whose sum is σ = 40346280. Its totient is φ = 5792976.

The previous prime is 18000089. The next prime is 18000137. The reversal of 18000126 is 62100081.

It is a Harshad number since it is a multiple of its sum of digits (18).

18000126 is a modest number, since divided by 126 gives 18 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 18000099 and 18000108.

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, 16720 + ... + 17763.

It is an arithmetic number, because the mean of its divisors is an integer number (1681095).

Almost surely, 2^18000126 is an apocalyptic number.

18000126 is an abundant number, since it is smaller than the sum of its proper divisors (22346154).

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

18000126 is a wasteful number, since it uses less digits than its factorization.

18000126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34520 (or 34517 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 18000126 is about 4242.6555363357. The cubic root of 18000126 is about 262.0747509258.

The spelling of 18000126 in words is "eighteen million, one hundred twenty-six", and thus it is an aban number.