121349 has 2 divisors, whose sum is σ = 121350. Its totient is φ = 121348.

The previous prime is 121343. The next prime is 121351. The reversal of 121349 is 943121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84100 + 37249 = 290^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 121349 - 2⁴ = 121333 is a prime.

Together with 121351, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 121349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60674 + 60675.

It is an arithmetic number, because the mean of its divisors is an integer number (60675).

2¹²¹³⁴⁹ is an apocalyptic number.

It is an amenable number.

121349 is a deficient number, since it is larger than the sum of its proper divisors (1).

121349 is an equidigital number, since it uses as much as digits as its factorization.

121349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 121349 is about 348.3518336395. The cubic root of 121349 is about 49.5083820788.

The spelling of 121349 in words is "one hundred twenty-one thousand, three hundred forty-nine".