27112321 has 8 divisors (see below), whose sum is σ = 28070144. Its totient is φ = 26159760.

The previous prime is 27112313. The next prime is 27112343. The reversal of 27112321 is 12321172.

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 27112321 - 2³ = 27112313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27112301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11206 + ... + 13408.

It is an arithmetic number, because the mean of its divisors is an integer number (3508768).

Almost surely, 2^27112321 is an apocalyptic number.

It is an amenable number.

27112321 is a deficient number, since it is larger than the sum of its proper divisors (957823).

27112321 is a wasteful number, since it uses less digits than its factorization.

27112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631.

The product of its digits is 168, while the sum is 19.

The square root of 27112321 is about 5206.9492987737. The cubic root of 27112321 is about 300.4154281696.

Adding to 27112321 its reverse (12321172), we get a palindrome (39433493).

The spelling of 27112321 in words is "twenty-seven million, one hundred twelve thousand, three hundred twenty-one".