1130244320 has 72 divisors (see below), whose sum is σ = 2836628424. Its totient is φ = 425486336.

The previous prime is 1130244307. The next prime is 1130244343. The reversal of 1130244320 is 234420311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1130244292 and 1130244301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34019 + ... + 58461.

It is an arithmetic number, because the mean of its divisors is an integer number (39397617).

Almost surely, 2^1130244320 is an apocalyptic number.

1130244320 is a gapful number since it is divisible by the number (10) 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 1130244320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1418314212).

1130244320 is an abundant number, since it is smaller than the sum of its proper divisors (1706384104).

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

1130244320 is a wasteful number, since it uses less digits than its factorization.

1130244320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24492 (or 24467 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1130244320 is about 33619.1064723618. The cubic root of 1130244320 is about 1041.6554994287.

Adding to 1130244320 its reverse (234420311), we get a palindrome (1364664631).

The spelling of 1130244320 in words is "one billion, one hundred thirty million, two hundred forty-four thousand, three hundred twenty".