1130322561 has 4 divisors (see below), whose sum is σ = 1507096752. Its totient is φ = 753548372.

The previous prime is 1130322551. The next prime is 1130322577. The reversal of 1130322561 is 1652230311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1130322561 - 2¹⁰ = 1130321537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1130322551) 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, 188387091 + ... + 188387096.

It is an arithmetic number, because the mean of its divisors is an integer number (376774188).

Almost surely, 2^1130322561 is an apocalyptic number.

It is an amenable number.

1130322561 is a deficient number, since it is larger than the sum of its proper divisors (376774191).

1130322561 is an equidigital number, since it uses as much as digits as its factorization.

1130322561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376774190.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1130322561 is about 33620.2700911221. The cubic root of 1130322561 is about 1041.6795350247.

Adding to 1130322561 its reverse (1652230311), we get a palindrome (2782552872).

The spelling of 1130322561 in words is "one billion, one hundred thirty million, three hundred twenty-two thousand, five hundred sixty-one".