121064309 has 2 divisors, whose sum is σ = 121064310. Its totient is φ = 121064308.

The previous prime is 121064303. The next prime is 121064351. The reversal of 121064309 is 903460121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99002500 + 22061809 = 9950^2 + 4697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121064309 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 (121064303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60532154 + 60532155.

It is an arithmetic number, because the mean of its divisors is an integer number (60532155).

Almost surely, 2^121064309 is an apocalyptic number.

It is an amenable number.

121064309 is a deficient number, since it is larger than the sum of its proper divisors (1).

121064309 is an equidigital number, since it uses as much as digits as its factorization.

121064309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 121064309 is about 11002.9227480702. The cubic root of 121064309 is about 494.6963535820.

The spelling of 121064309 in words is "one hundred twenty-one million, sixty-four thousand, three hundred nine".