264918121 has 8 divisors (see below), whose sum is σ = 300312320. Its totient is φ = 231669072.

The previous prime is 264918119. The next prime is 264918127. The reversal of 264918121 is 121819462.

It is a happy number.

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 264918121 - 2¹ = 264918119 is a prime.

It is a super-2 number, since 2×264918121² = 140363221668341282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264918127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536025 + ... + 536518.

It is an arithmetic number, because the mean of its divisors is an integer number (37539040).

Almost surely, 2^264918121 is an apocalyptic number.

It is an amenable number.

264918121 is a deficient number, since it is larger than the sum of its proper divisors (35394199).

264918121 is a wasteful number, since it uses less digits than its factorization.

264918121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072575.

The product of its digits is 6912, while the sum is 34.

The square root of 264918121 is about 16276.3055083148. The cubic root of 264918121 is about 642.2496683590.

The spelling of 264918121 in words is "two hundred sixty-four million, nine hundred eighteen thousand, one hundred twenty-one".