1130305 has 8 divisors (see below), whose sum is σ = 1479744. Its totient is φ = 822000.
The previous prime is 1130299. The next prime is 1130317. The reversal of 1130305 is 5030311.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1130305 - 25 = 1130273 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10221 + ... + 10330.
It is an arithmetic number, because the mean of its divisors is an integer number (184968).
21130305 is an apocalyptic number.
It is an amenable number.
1130305 is a deficient number, since it is larger than the sum of its proper divisors (349439).
1130305 is a wasteful number, since it uses less digits than its factorization.
1130305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20567.
The product of its (nonzero) digits is 45, while the sum is 13.
The square root of 1130305 is about 1063.1580315268. The cubic root of 1130305 is about 104.1674140391.
Adding to 1130305 its reverse (5030311), we get a palindrome (6160616).
The spelling of 1130305 in words is "one million, one hundred thirty thousand, three hundred five".
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