1130645109 has 32 divisors (see below), whose sum is σ = 1740331008. Its totient is φ = 646184000.

The previous prime is 1130645093. The next prime is 1130645147. The reversal of 1130645109 is 9015460311.

It is not a de Polignac number, because 1130645109 - 2⁴ = 1130645093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130645189) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43399 + ... + 64379.

It is an arithmetic number, because the mean of its divisors is an integer number (54385344).

Almost surely, 2^1130645109 is an apocalyptic number.

It is an amenable number.

1130645109 is a deficient number, since it is larger than the sum of its proper divisors (609685899).

1130645109 is a wasteful number, since it uses less digits than its factorization.

1130645109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21089.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1130645109 is about 33625.0666765138. The cubic root of 1130645109 is about 1041.7786098988.

The spelling of 1130645109 in words is "one billion, one hundred thirty million, six hundred forty-five thousand, one hundred nine".