1131024320 has 112 divisors (see below), whose sum is σ = 2775679488. Its totient is φ = 438789120.

The previous prime is 1131024311. The next prime is 1131024329. The reversal of 1131024320 is 234201311.

It is an interprime number because it is at equal distance from previous prime (1131024311) and next prime (1131024329).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131024329) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1521869 + ... + 1522611.

Almost surely, 2^1131024320 is an apocalyptic number.

1131024320 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 1131024320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387839744).

1131024320 is an abundant number, since it is smaller than the sum of its proper divisors (1644655168).

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

1131024320 is an equidigital number, since it uses as much as digits as its factorization.

1131024320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1131024320 is about 33630.7050178851. The cubic root of 1131024320 is about 1041.8950654654.

Adding to 1131024320 its reverse (234201311), we get a palindrome (1365225631).

The spelling of 1131024320 in words is "one billion, one hundred thirty-one million, twenty-four thousand, three hundred twenty".