121227343 has 2 divisors, whose sum is σ = 121227344. Its totient is φ = 121227342.

The previous prime is 121227311. The next prime is 121227349. The reversal of 121227343 is 343722121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (343722121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121227343 - 2⁵ = 121227311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121227349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60613671 + 60613672.

It is an arithmetic number, because the mean of its divisors is an integer number (60613672).

Almost surely, 2^121227343 is an apocalyptic number.

121227343 is a deficient number, since it is larger than the sum of its proper divisors (1).

121227343 is an equidigital number, since it uses as much as digits as its factorization.

121227343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 25.

The square root of 121227343 is about 11010.3289233338. The cubic root of 121227343 is about 494.9183186653.

Adding to 121227343 its reverse (343722121), we get a palindrome (464949464).

The spelling of 121227343 in words is "one hundred twenty-one million, two hundred twenty-seven thousand, three hundred forty-three".