264426121 has 2 divisors, whose sum is σ = 264426122. Its totient is φ = 264426120.

The previous prime is 264426119. The next prime is 264426133. The reversal of 264426121 is 121624462.

264426121 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., 241491600 + 22934521 = 15540^2 + 4789^2 .

It is a cyclic number.

It is not a de Polignac number, because 264426121 - 2¹ = 264426119 is a prime.

Together with 264426119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 264426121.

It is not a weakly prime, because it can be changed into another prime (264426191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132213060 + 132213061.

It is an arithmetic number, because the mean of its divisors is an integer number (132213061).

Almost surely, 2^264426121 is an apocalyptic number.

It is an amenable number.

264426121 is a deficient number, since it is larger than the sum of its proper divisors (1).

264426121 is an equidigital number, since it uses as much as digits as its factorization.

264426121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 28.

The square root of 264426121 is about 16261.1844894522. The cubic root of 264426121 is about 641.8518314069.

The spelling of 264426121 in words is "two hundred sixty-four million, four hundred twenty-six thousand, one hundred twenty-one".