1130530305 has 16 divisors (see below), whose sum is σ = 1904051520. Its totient is φ = 571215168.

The previous prime is 1130530253. The next prime is 1130530307. The reversal of 1130530305 is 5030350311.

It is a happy number.

It is not a de Polignac number, because 1130530305 - 2²⁰ = 1129481729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1130530307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1983102 + ... + 1983671.

It is an arithmetic number, because the mean of its divisors is an integer number (119003220).

Almost surely, 2^1130530305 is an apocalyptic number.

1130530305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1130530305 is a deficient number, since it is larger than the sum of its proper divisors (773521215).

1130530305 is a wasteful number, since it uses less digits than its factorization.

1130530305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966800.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 1130530305 is about 33623.3595138856. The cubic root of 1130530305 is about 1041.7433484954.

Adding to 1130530305 its reverse (5030350311), we get a palindrome (6160880616).

The spelling of 1130530305 in words is "one billion, one hundred thirty million, five hundred thirty thousand, three hundred five".