121201343 has 2 divisors, whose sum is σ = 121201344. Its totient is φ = 121201342.

The previous prime is 121201319. The next prime is 121201363. The reversal of 121201343 is 343102121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121201343 - 2¹⁰ = 121200319 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 (121201363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600671 + 60600672.

It is an arithmetic number, because the mean of its divisors is an integer number (60600672).

Almost surely, 2^121201343 is an apocalyptic number.

121201343 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201343 is an equidigital number, since it uses as much as digits as its factorization.

121201343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121201343 is about 11009.1481505156. The cubic root of 121201343 is about 494.8829339189.

Adding to 121201343 its reverse (343102121), we get a palindrome (464303464).

The spelling of 121201343 in words is "one hundred twenty-one million, two hundred one thousand, three hundred forty-three".