1327429281 has 8 divisors (see below), whose sum is σ = 1863058720. Its totient is φ = 838376352.

The previous prime is 1327429253. The next prime is 1327429283. The reversal of 1327429281 is 1829247231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1327429281 - 2²⁷ = 1193211553 is a prime.

It is a super-2 number, since 2×1327429281² = 3524136992112353922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327429283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11644060 + ... + 11644173.

It is an arithmetic number, because the mean of its divisors is an integer number (232882340).

Almost surely, 2^1327429281 is an apocalyptic number.

It is an amenable number.

1327429281 is a deficient number, since it is larger than the sum of its proper divisors (535629439).

1327429281 is a wasteful number, since it uses less digits than its factorization.

1327429281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23288255.

The product of its digits is 48384, while the sum is 39.

The square root of 1327429281 is about 36433.9029064963. The cubic root of 1327429281 is about 1099.0154498997.

The spelling of 1327429281 in words is "one billion, three hundred twenty-seven million, four hundred twenty-nine thousand, two hundred eighty-one".