18102127 has 16 divisors (see below), whose sum is σ = 20328192. Its totient is φ = 16030080.

The previous prime is 18102121. The next prime is 18102131. The reversal of 18102127 is 72120181.

It is not a de Polignac number, because 18102127 - 2¹⁹ = 17577839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18102098 and 18102107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18102121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25852 + ... + 26542.

It is an arithmetic number, because the mean of its divisors is an integer number (1270512).

Almost surely, 2^18102127 is an apocalyptic number.

18102127 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

18102127 is a deficient number, since it is larger than the sum of its proper divisors (2226065).

18102127 is a wasteful number, since it uses less digits than its factorization.

18102127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 18102127 is about 4254.6594458311. The cubic root of 18102127 is about 262.5688502695.

The spelling of 18102127 in words is "eighteen million, one hundred two thousand, one hundred twenty-seven".