121267 has 2 divisors, whose sum is σ = 121268. Its totient is φ = 121266.

The previous prime is 121259. The next prime is 121271. The reversal of 121267 is 762121.

It is a strong prime.

It is an emirp because it is prime and its reverse (762121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121267 - 2³ = 121259 is a prime.

It is a Chen prime.

121267 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (121067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60633 + 60634.

It is an arithmetic number, because the mean of its divisors is an integer number (60634).

2¹²¹²⁶⁷ is an apocalyptic number.

121267 is a deficient number, since it is larger than the sum of its proper divisors (1).

121267 is an equidigital number, since it uses as much as digits as its factorization.

121267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 19.

The square root of 121267 is about 348.2341166514. The cubic root of 121267 is about 49.4972280188.

Adding to 121267 its reverse (762121), we get a palindrome (883388).

The spelling of 121267 in words is "one hundred twenty-one thousand, two hundred sixty-seven".