264799121 has 8 divisors (see below), whose sum is σ = 272172264. Its totient is φ = 257437440.

The previous prime is 264799103. The next prime is 264799127. The reversal of 264799121 is 121997462.

It can be written as a sum of positive squares in 4 ways, for example, as 69889600 + 194909521 = 8360^2 + 13961^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264799121 - 2⁶ = 264799057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (264799127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67391 + ... + 71211.

It is an arithmetic number, because the mean of its divisors is an integer number (34021533).

Almost surely, 2^264799121 is an apocalyptic number.

It is an amenable number.

264799121 is a deficient number, since it is larger than the sum of its proper divisors (7373143).

264799121 is a wasteful number, since it uses less digits than its factorization.

264799121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5731.

The product of its digits is 54432, while the sum is 41.

The square root of 264799121 is about 16272.6494769598. The cubic root of 264799121 is about 642.1534887586.

The spelling of 264799121 in words is "two hundred sixty-four million, seven hundred ninety-nine thousand, one hundred twenty-one".