18055127 has 4 divisors (see below), whose sum is σ = 18185160. Its totient is φ = 17925096.

The previous prime is 18055099. The next prime is 18055151. The reversal of 18055127 is 72155081.

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 18055127 - 2¹² = 18051031 is a prime.

It is a super-2 number, since 2×18055127² = 651975221972258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18055127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18055327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64808 + ... + 65085.

It is an arithmetic number, because the mean of its divisors is an integer number (4546290).

Almost surely, 2^18055127 is an apocalyptic number.

18055127 is a deficient number, since it is larger than the sum of its proper divisors (130033).

18055127 is a wasteful number, since it uses less digits than its factorization.

18055127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130032.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 18055127 is about 4249.1324996992. The cubic root of 18055127 is about 262.3414104810.

The spelling of 18055127 in words is "eighteen million, fifty-five thousand, one hundred twenty-seven".