18000127 has 8 divisors (see below), whose sum is σ = 19290096. Its totient is φ = 16735872.

The previous prime is 18000089. The next prime is 18000137. The reversal of 18000127 is 72100081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18000127 - 2¹⁵ = 17967359 is a prime.

It is a super-2 number, since 2×18000127² = 648009144032258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18000137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4968 + ... + 7789.

It is an arithmetic number, because the mean of its divisors is an integer number (2411262).

Almost surely, 2^18000127 is an apocalyptic number.

18000127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

18000127 is a deficient number, since it is larger than the sum of its proper divisors (1289969).

18000127 is a wasteful number, since it uses less digits than its factorization.

18000127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12857.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 18000127 is about 4242.6556541864. The cubic root of 18000127 is about 262.0747557790.

The spelling of 18000127 in words is "eighteen million, one hundred twenty-seven", and thus it is an aban number.