1123302665 has 4 divisors (see below), whose sum is σ = 1347963204. Its totient is φ = 898642128.

The previous prime is 1123302643. The next prime is 1123302671. The reversal of 1123302665 is 5662033211.

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 210598144 + 912704521 = 14512^2 + 30211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123302665 - 2¹⁸ = 1123040521 is a prime.

It is a super-2 number, since 2×1123302665² = 2523617754392204450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112330262 + ... + 112330271.

It is an arithmetic number, because the mean of its divisors is an integer number (336990801).

Almost surely, 2^1123302665 is an apocalyptic number.

It is an amenable number.

1123302665 is a deficient number, since it is larger than the sum of its proper divisors (224660539).

1123302665 is an equidigital number, since it uses as much as digits as its factorization.

1123302665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224660538.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1123302665 is about 33515.7077353291. The cubic root of 1123302665 is about 1039.5185965402.

Adding to 1123302665 its reverse (5662033211), we get a palindrome (6785335876).

The spelling of 1123302665 in words is "one billion, one hundred twenty-three million, three hundred two thousand, six hundred sixty-five".