27001121 has 8 divisors (see below), whose sum is σ = 30912384. Its totient is φ = 23103360.

The previous prime is 27001043. The next prime is 27001199. The reversal of 27001121 is 12110072.

It is an interprime number because it is at equal distance from previous prime (27001043) and next prime (27001199).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-27001121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27001096 and 27001105.

It is not an unprimeable number, because it can be changed into a prime (27001921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1361 + ... + 7473.

It is an arithmetic number, because the mean of its divisors is an integer number (3864048).

Almost surely, 2^27001121 is an apocalyptic number.

It is an amenable number.

27001121 is a deficient number, since it is larger than the sum of its proper divisors (3911263).

27001121 is an equidigital number, since it uses as much as digits as its factorization.

27001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 27001121 is about 5196.2602898623. The cubic root of 27001121 is about 300.0041517944.

Adding to 27001121 its reverse (12110072), we get a palindrome (39111193).

The spelling of 27001121 in words is "twenty-seven million, one thousand, one hundred twenty-one".