121171 has 2 divisors, whose sum is σ = 121172. Its totient is φ = 121170.

The previous prime is 121169. The next prime is 121181. The reversal of 121171 is 171121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121171 - 2¹ = 121169 is a prime.

It is a super-2 number, since 2×121171² = 29364822482, which contains 22 as substring.

Together with 121169, it forms a pair of twin primes.

121171 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (121151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60585 + 60586.

It is an arithmetic number, because the mean of its divisors is an integer number (60586).

2¹²¹¹⁷¹ is an apocalyptic number.

121171 is a deficient number, since it is larger than the sum of its proper divisors (1).

121171 is an equidigital number, since it uses as much as digits as its factorization.

121171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14, while the sum is 13.

The square root of 121171 is about 348.0962510571. The cubic root of 121171 is about 49.4841632159.

Adding to 121171 its reverse (171121), we get a palindrome (292292).

It can be divided in two parts, 121 and 171, that added together give a palindrome (292).

The spelling of 121171 in words is "one hundred twenty-one thousand, one hundred seventy-one", and thus it is an iban number.