1130809328 has 40 divisors (see below), whose sum is σ = 2400642480. Its totient is φ = 511741440.

The previous prime is 1130809321. The next prime is 1130809333. The reversal of 1130809328 is 8239080311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130809321) 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, 26276 + ... + 54332.

It is an arithmetic number, because the mean of its divisors is an integer number (60016062).

Almost surely, 2^1130809328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130809328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1200321240).

1130809328 is an abundant number, since it is smaller than the sum of its proper divisors (1269833152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1130809328 is a wasteful number, since it uses less digits than its factorization.

1130809328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28305 (or 28299 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1130809328 is about 33627.5085012256. The cubic root of 1130809328 is about 1041.8290446928.

Adding to 1130809328 its reverse (8239080311), we get a palindrome (9369889639).

The spelling of 1130809328 in words is "one billion, one hundred thirty million, eight hundred nine thousand, three hundred twenty-eight".