264669121 has 4 divisors (see below), whose sum is σ = 269662932. Its totient is φ = 259675312.

The previous prime is 264669089. The next prime is 264669157. The reversal of 264669121 is 121966462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 75881521 + 188787600 = 8711^2 + 13740^2 .

It is a cyclic number.

It is not a de Polignac number, because 264669121 - 2⁵ = 264669089 is a prime.

It is a super-2 number, since 2×264669121² = 140099487221825282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264669421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2496826 + ... + 2496931.

It is an arithmetic number, because the mean of its divisors is an integer number (67415733).

Almost surely, 2^264669121 is an apocalyptic number.

It is an amenable number.

264669121 is a deficient number, since it is larger than the sum of its proper divisors (4993811).

264669121 is an equidigital number, since it uses as much as digits as its factorization.

264669121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993810.

The product of its digits is 31104, while the sum is 37.

The square root of 264669121 is about 16268.6545540804. The cubic root of 264669121 is about 642.0483856675.

The spelling of 264669121 in words is "two hundred sixty-four million, six hundred sixty-nine thousand, one hundred twenty-one".