121064849 has 2 divisors, whose sum is σ = 121064850. Its totient is φ = 121064848.

The previous prime is 121064843. The next prime is 121064857. The reversal of 121064849 is 948460121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98644624 + 22420225 = 9932^2 + 4735^2 .

It is a cyclic number.

It is not a de Polignac number, because 121064849 - 2⁴ = 121064833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121064843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60532424 + 60532425.

It is an arithmetic number, because the mean of its divisors is an integer number (60532425).

Almost surely, 2^121064849 is an apocalyptic number.

It is an amenable number.

121064849 is a deficient number, since it is larger than the sum of its proper divisors (1).

121064849 is an equidigital number, since it uses as much as digits as its factorization.

121064849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 121064849 is about 11002.9472869772. The cubic root of 121064849 is about 494.6970891019.

The spelling of 121064849 in words is "one hundred twenty-one million, sixty-four thousand, eight hundred forty-nine".