1130056289 has 4 divisors (see below), whose sum is σ = 1130255280. Its totient is φ = 1129857300.

The previous prime is 1130056261. The next prime is 1130056307. The reversal of 1130056289 is 9826500311.

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 a de Polignac number, because none of the positive numbers 2^k-1130056289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1130056219) 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, 90719 + ... + 102420.

It is an arithmetic number, because the mean of its divisors is an integer number (282563820).

Almost surely, 2^1130056289 is an apocalyptic number.

It is an amenable number.

1130056289 is a deficient number, since it is larger than the sum of its proper divisors (198991).

1130056289 is an equidigital number, since it uses as much as digits as its factorization.

1130056289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198990.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1130056289 is about 33616.3098658969. The cubic root of 1130056289 is about 1041.5977318634.

The spelling of 1130056289 in words is "one billion, one hundred thirty million, fifty-six thousand, two hundred eighty-nine".