1327961371 has 4 divisors (see below), whose sum is σ = 1448685144. Its totient is φ = 1207237600.

The previous prime is 1327961347. The next prime is 1327961377. The reversal of 1327961371 is 1731697231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1327961371 - 2⁹ = 1327960859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1327961377) 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, 60361870 + ... + 60361891.

It is an arithmetic number, because the mean of its divisors is an integer number (362171286).

Almost surely, 2^1327961371 is an apocalyptic number.

1327961371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1327961371 is a deficient number, since it is larger than the sum of its proper divisors (120723773).

1327961371 is a wasteful number, since it uses less digits than its factorization.

1327961371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120723772.

The product of its digits is 47628, while the sum is 40.

The square root of 1327961371 is about 36441.2043022730. The cubic root of 1327961371 is about 1099.1622742974.

The spelling of 1327961371 in words is "one billion, three hundred twenty-seven million, nine hundred sixty-one thousand, three hundred seventy-one".