18126128 has 10 divisors (see below), whose sum is σ = 35119404. Its totient is φ = 9063056.

The previous prime is 18126127. The next prime is 18126149. The reversal of 18126128 is 82162181.

It is a self number, because there is not a number n which added to its sum of digits gives 18126128.

It is not an unprimeable number, because it can be changed into a prime (18126127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566426 + ... + 566457.

Almost surely, 2^18126128 is an apocalyptic number.

It is an amenable number.

18126128 is a deficient number, since it is larger than the sum of its proper divisors (16993276).

18126128 is a wasteful number, since it uses less digits than its factorization.

18126128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132891 (or 1132885 counting only the distinct ones).

The product of its digits is 1536, while the sum is 29.

The square root of 18126128 is about 4257.4790663020. The cubic root of 18126128 is about 262.6848427503.

The spelling of 18126128 in words is "eighteen million, one hundred twenty-six thousand, one hundred twenty-eight".