121343273 has 2 divisors, whose sum is σ = 121343274. Its totient is φ = 121343272.

The previous prime is 121343227. The next prime is 121343281. The reversal of 121343273 is 372343121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101344489 + 19998784 = 10067^2 + 4472^2 .

It is a cyclic number.

It is not a de Polignac number, because 121343273 - 2²⁴ = 104566057 is a prime.

It is not a weakly prime, because it can be changed into another prime (121348273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60671636 + 60671637.

It is an arithmetic number, because the mean of its divisors is an integer number (60671637).

Almost surely, 2^121343273 is an apocalyptic number.

It is an amenable number.

121343273 is a deficient number, since it is larger than the sum of its proper divisors (1).

121343273 is an equidigital number, since it uses as much as digits as its factorization.

121343273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 26.

The square root of 121343273 is about 11015.5922673273. The cubic root of 121343273 is about 495.0760322619.

Adding to 121343273 its reverse (372343121), we get a palindrome (493686394).

The spelling of 121343273 in words is "one hundred twenty-one million, three hundred forty-three thousand, two hundred seventy-three".