1322131152 has 80 divisors (see below), whose sum is σ = 3545884160. Its totient is φ = 424051200.

The previous prime is 1322131127. The next prime is 1322131189. The reversal of 1322131152 is 2511312231.

It is a super-3 number, since 3×1322131152³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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, 266874 + ... + 271782.

It is an arithmetic number, because the mean of its divisors is an integer number (44323552).

Almost surely, 2^1322131152 is an apocalyptic number.

1322131152 is a gapful number since it is divisible by the number (12) 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 1322131152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1772942080).

1322131152 is an abundant number, since it is smaller than the sum of its proper divisors (2223753008).

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

1322131152 is a wasteful number, since it uses less digits than its factorization.

1322131152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5132 (or 5126 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 1322131152 is about 36361.1214348513. The cubic root of 1322131152 is about 1097.5513443980.

Adding to 1322131152 its reverse (2511312231), we get a palindrome (3833443383).

The spelling of 1322131152 in words is "one billion, three hundred twenty-two million, one hundred thirty-one thousand, one hundred fifty-two".