121768343 has 2 divisors, whose sum is σ = 121768344. Its totient is φ = 121768342.

The previous prime is 121768333. The next prime is 121768357. The reversal of 121768343 is 343867121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121768343 - 2¹⁸ = 121506199 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 (121768333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60884171 + 60884172.

It is an arithmetic number, because the mean of its divisors is an integer number (60884172).

Almost surely, 2^121768343 is an apocalyptic number.

121768343 is a deficient number, since it is larger than the sum of its proper divisors (1).

121768343 is an equidigital number, since it uses as much as digits as its factorization.

121768343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 121768343 is about 11034.8694147235. The cubic root of 121768343 is about 495.6534484693.

The spelling of 121768343 in words is "one hundred twenty-one million, seven hundred sixty-eight thousand, three hundred forty-three".