18124 has 12 divisors (see below), whose sum is σ = 33264. Its totient is φ = 8624.

The previous prime is 18121. The next prime is 18127. The reversal of 18124 is 42181.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18121) and next prime (18127).

18124 is an undulating number in base 14.

It is a plaindrome in base 16.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 18098 and 18107.

It is not an unprimeable number, because it can be changed into a prime (18121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7 + ... + 190.

It is an arithmetic number, because the mean of its divisors is an integer number (2772).

2¹⁸¹²⁴ is an apocalyptic number.

It is an amenable number.

18124 is a deficient number, since it is larger than the sum of its proper divisors (15140).

18124 is a wasteful number, since it uses less digits than its factorization.

18124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 222 counting only the distinct ones).

The product of its digits is 64, while the sum is 16.

The square root of 18124 is about 134.6254062204. The cubic root of 18124 is about 26.2674562650.

The spelling of 18124 in words is "eighteen thousand, one hundred twenty-four".