1152355320 has 144 divisors (see below), whose sum is σ = 3953088360. Its totient is φ = 291088512.

The previous prime is 1152355313. The next prime is 1152355333. The reversal of 1152355320 is 235532511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 125527 + ... + 134393.

Almost surely, 2^1152355320 is an apocalyptic number.

1152355320 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 1152355320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1976544180).

1152355320 is an abundant number, since it is smaller than the sum of its proper divisors (2800733040).

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

1152355320 is a wasteful number, since it uses less digits than its factorization.

1152355320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8922 (or 8896 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1152355320 is about 33946.3594513462. The cubic root of 1152355320 is about 1048.4043245944.

Adding to 1152355320 its reverse (235532511), we get a palindrome (1387887831).

The spelling of 1152355320 in words is "one billion, one hundred fifty-two million, three hundred fifty-five thousand, three hundred twenty".