1122327261 has 12 divisors (see below), whose sum is σ = 1768515840. Its totient is φ = 680198280.

The previous prime is 1122327247. The next prime is 1122327277. The reversal of 1122327261 is 1627232211.

It is not a de Polignac number, because 1122327261 - 2⁵ = 1122327229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122327211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5668221 + ... + 5668418.

It is an arithmetic number, because the mean of its divisors is an integer number (147376320).

Almost surely, 2^1122327261 is an apocalyptic number.

1122327261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122327261 is a deficient number, since it is larger than the sum of its proper divisors (646188579).

1122327261 is a wasteful number, since it uses less digits than its factorization.

1122327261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11336656 (or 11336653 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1122327261 is about 33501.1531294074. The cubic root of 1122327261 is about 1039.2176256462.

Adding to 1122327261 its reverse (1627232211), we get a palindrome (2749559472).

The spelling of 1122327261 in words is "one billion, one hundred twenty-two million, three hundred twenty-seven thousand, two hundred sixty-one".