1130805984 has 144 divisors (see below), whose sum is σ = 3729124224. Its totient is φ = 293694720.

The previous prime is 1130805979. The next prime is 1130806009. The reversal of 1130805984 is 4895080311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74359 + ... + 88265.

It is an arithmetic number, because the mean of its divisors is an integer number (25896696).

Almost surely, 2^1130805984 is an apocalyptic number.

1130805984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130805984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1864562112).

1130805984 is an abundant number, since it is smaller than the sum of its proper divisors (2598318240).

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

1130805984 is a wasteful number, since it uses less digits than its factorization.

1130805984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13949 (or 13930 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1130805984 is about 33627.4587799911. The cubic root of 1130805984 is about 1041.8280177352.

The spelling of 1130805984 in words is "one billion, one hundred thirty million, eight hundred five thousand, nine hundred eighty-four".