121227 has 8 divisors (see below), whose sum is σ = 171216. Its totient is φ = 76032.

The previous prime is 121189. The next prime is 121229. The reversal of 121227 is 722121.

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

It is not a de Polignac number, because 121227 - 2¹¹ = 119179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121229) 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, 1138 + ... + 1239.

It is an arithmetic number, because the mean of its divisors is an integer number (21402).

2¹²¹²²⁷ is an apocalyptic number.

121227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

121227 is a deficient number, since it is larger than the sum of its proper divisors (49989).

121227 is a wasteful number, since it uses less digits than its factorization.

121227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397.

The product of its digits is 56, while the sum is 15.

The square root of 121227 is about 348.1766792880. The cubic root of 121227 is about 49.4917851892.

Adding to 121227 its reverse (722121), we get a palindrome (843348).

The spelling of 121227 in words is "one hundred twenty-one thousand, two hundred twenty-seven", and thus it is an iban number.