564099121 has 2 divisors, whose sum is σ = 564099122. Its totient is φ = 564099120.

The previous prime is 564099119. The next prime is 564099139. The reversal of 564099121 is 121990465.

564099121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469328896 + 94770225 = 21664^2 + 9735^2 .

It is a cyclic number.

It is not a de Polignac number, because 564099121 - 2¹ = 564099119 is a prime.

Together with 564099119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (564099101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282049560 + 282049561.

It is an arithmetic number, because the mean of its divisors is an integer number (282049561).

Almost surely, 2^564099121 is an apocalyptic number.

It is an amenable number.

564099121 is a deficient number, since it is larger than the sum of its proper divisors (1).

564099121 is an equidigital number, since it uses as much as digits as its factorization.

564099121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 564099121 is about 23750.7709559079. The cubic root of 564099121 is about 826.2633211790.

The spelling of 564099121 in words is "five hundred sixty-four million, ninety-nine thousand, one hundred twenty-one".