18127125 has 64 divisors (see below), whose sum is σ = 34594560. Its totient is φ = 9360000.

The previous prime is 18127111. The next prime is 18127127. The reversal of 18127125 is 52172181.

It is not a de Polignac number, because 18127125 - 2⁵ = 18127093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18127127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138310 + ... + 138440.

It is an arithmetic number, because the mean of its divisors is an integer number (540540).

Almost surely, 2^18127125 is an apocalyptic number.

18127125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18127125 is a deficient number, since it is larger than the sum of its proper divisors (16467435).

18127125 is a wasteful number, since it uses less digits than its factorization.

18127125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 180 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 18127125 is about 4257.5961527604. The cubic root of 18127125 is about 262.6896588550.

The spelling of 18127125 in words is "eighteen million, one hundred twenty-seven thousand, one hundred twenty-five".