1327221132 has 12 divisors (see below), whose sum is σ = 3096849336. Its totient is φ = 442407040.

The previous prime is 1327221131. The next prime is 1327221139. The reversal of 1327221132 is 2311227231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1327221132² = 3523031866454722848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1327221131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55300869 + ... + 55300892.

It is an arithmetic number, because the mean of its divisors is an integer number (258070778).

Almost surely, 2^1327221132 is an apocalyptic number.

1327221132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1327221132 is an abundant number, since it is smaller than the sum of its proper divisors (1769628204).

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

1327221132 is a wasteful number, since it uses less digits than its factorization.

1327221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110601768 (or 110601766 counting only the distinct ones).

The product of its digits is 1008, while the sum is 24.

The square root of 1327221132 is about 36431.0462655137. The cubic root of 1327221132 is about 1098.9580027905.

Adding to 1327221132 its reverse (2311227231), we get a palindrome (3638448363).

The spelling of 1327221132 in words is "one billion, three hundred twenty-seven million, two hundred twenty-one thousand, one hundred thirty-two".