1130305281 has 8 divisors (see below), whose sum is σ = 1722369984. Its totient is φ = 645888720.

The previous prime is 1130305279. The next prime is 1130305283. The reversal of 1130305281 is 1825030311.

It is an interprime number because it is at equal distance from previous prime (1130305279) and next prime (1130305283).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1130305281 - 2¹ = 1130305279 is a prime.

It is a super-2 number, since 2×1130305281² = 2555180056512977922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1130305283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26912010 + ... + 26912051.

It is an arithmetic number, because the mean of its divisors is an integer number (215296248).

Almost surely, 2^1130305281 is an apocalyptic number.

It is an amenable number.

1130305281 is a deficient number, since it is larger than the sum of its proper divisors (592064703).

1130305281 is an equidigital number, since it uses as much as digits as its factorization.

1130305281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53824071.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1130305281 is about 33620.0131023175. The cubic root of 1130305281 is about 1041.6742267128.

Adding to 1130305281 its reverse (1825030311), we get a palindrome (2955335592).

The spelling of 1130305281 in words is "one billion, one hundred thirty million, three hundred five thousand, two hundred eighty-one".