1132256320 has 112 divisors (see below), whose sum is σ = 2965874688. Its totient is φ = 409098240.

The previous prime is 1132256317. The next prime is 1132256347. The reversal of 1132256320 is 236522311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192625 + ... + 198415.

It is an arithmetic number, because the mean of its divisors is an integer number (26481024).

Almost surely, 2^1132256320 is an apocalyptic number.

1132256320 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 1132256320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482937344).

1132256320 is an abundant number, since it is smaller than the sum of its proper divisors (1833618368).

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

1132256320 is a wasteful number, since it uses less digits than its factorization.

1132256320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868 (or 5858 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1132256320 is about 33649.0166275331. The cubic root of 1132256320 is about 1042.2732326745.

Adding to 1132256320 its reverse (236522311), we get a palindrome (1368778631).

The spelling of 1132256320 in words is "one billion, one hundred thirty-two million, two hundred fifty-six thousand, three hundred twenty".