121341043 has 2 divisors, whose sum is σ = 121341044. Its totient is φ = 121341042.

The previous prime is 121341001. The next prime is 121341047. The reversal of 121341043 is 340143121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121341043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121341043.

It is not a weakly prime, because it can be changed into another prime (121341047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60670521 + 60670522.

It is an arithmetic number, because the mean of its divisors is an integer number (60670522).

Almost surely, 2^121341043 is an apocalyptic number.

121341043 is a deficient number, since it is larger than the sum of its proper divisors (1).

121341043 is an equidigital number, since it uses as much as digits as its factorization.

121341043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 121341043 is about 11015.4910467033. The cubic root of 121341043 is about 495.0729994710.

Adding to 121341043 its reverse (340143121), we get a palindrome (461484164).

The spelling of 121341043 in words is "one hundred twenty-one million, three hundred forty-one thousand, forty-three".