27089121 has 4 divisors (see below), whose sum is σ = 36118832. Its totient is φ = 18059412.

The previous prime is 27089113. The next prime is 27089129. The reversal of 27089121 is 12198072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (27089113) and next prime (27089129).

It is not a de Polignac number, because 27089121 - 2³ = 27089113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27089129) 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 3 ways as a sum of consecutive naturals, for example, 4514851 + ... + 4514856.

It is an arithmetic number, because the mean of its divisors is an integer number (9029708).

Almost surely, 2^27089121 is an apocalyptic number.

It is an amenable number.

27089121 is a deficient number, since it is larger than the sum of its proper divisors (9029711).

27089121 is an equidigital number, since it uses as much as digits as its factorization.

27089121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9029710.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 27089121 is about 5204.7210299881. The cubic root of 27089121 is about 300.3297152712.

The spelling of 27089121 in words is "twenty-seven million, eighty-nine thousand, one hundred twenty-one".