121271 has 2 divisors, whose sum is σ = 121272. Its totient is φ = 121270.

The previous prime is 121267. The next prime is 121283. The reversal of 121271 is 172121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121271 - 2² = 121267 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60635 + 60636.

It is an arithmetic number, because the mean of its divisors is an integer number (60636).

2¹²¹²⁷¹ is an apocalyptic number.

121271 is a deficient number, since it is larger than the sum of its proper divisors (1).

121271 is an equidigital number, since it uses as much as digits as its factorization.

121271 is an evil number, because the sum of its binary digits is even.

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

The square root of 121271 is about 348.2398598667. The cubic root of 121271 is about 49.4977722359.

Adding to 121271 its reverse (172121), we get a palindrome (293392).

The spelling of 121271 in words is "one hundred twenty-one thousand, two hundred seventy-one", and thus it is an iban number.