1130273345 has 4 divisors (see below), whose sum is σ = 1356328020. Its totient is φ = 904218672.

The previous prime is 1130273329. The next prime is 1130273351. The reversal of 1130273345 is 5433720311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 753447601 + 376825744 = 27449^2 + 19412^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130273345 - 2⁴ = 1130273329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113027330 + ... + 113027339.

It is an arithmetic number, because the mean of its divisors is an integer number (339082005).

Almost surely, 2^1130273345 is an apocalyptic number.

It is an amenable number.

1130273345 is a deficient number, since it is larger than the sum of its proper divisors (226054675).

1130273345 is an equidigital number, since it uses as much as digits as its factorization.

1130273345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226054674.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 1130273345 is about 33619.5381437640. The cubic root of 1130273345 is about 1041.6644160236.

Adding to 1130273345 its reverse (5433720311), we get a palindrome (6563993656).

The spelling of 1130273345 in words is "one billion, one hundred thirty million, two hundred seventy-three thousand, three hundred forty-five".