121934443 has 2 divisors, whose sum is σ = 121934444. Its totient is φ = 121934442.

The previous prime is 121934441. The next prime is 121934453. The reversal of 121934443 is 344439121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121934443 - 2¹ = 121934441 is a prime.

Together with 121934441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (121934441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60967221 + 60967222.

It is an arithmetic number, because the mean of its divisors is an integer number (60967222).

Almost surely, 2^121934443 is an apocalyptic number.

121934443 is a deficient number, since it is larger than the sum of its proper divisors (1).

121934443 is an equidigital number, since it uses as much as digits as its factorization.

121934443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 121934443 is about 11042.3929924632. The cubic root of 121934443 is about 495.8787140035.

The spelling of 121934443 in words is "one hundred twenty-one million, nine hundred thirty-four thousand, four hundred forty-three".