1327421895 has 16 divisors (see below), whose sum is σ = 2125827072. Its totient is φ = 707307680.

The previous prime is 1327421881. The next prime is 1327421903. The reversal of 1327421895 is 5981247231.

It is not a de Polignac number, because 1327421895 - 2⁸ = 1327421639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23571 + ... + 56660.

It is an arithmetic number, because the mean of its divisors is an integer number (132864192).

Almost surely, 2^1327421895 is an apocalyptic number.

1327421895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1327421895 is a deficient number, since it is larger than the sum of its proper divisors (798405177).

1327421895 is a wasteful number, since it uses less digits than its factorization.

1327421895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81342.

The product of its digits is 120960, while the sum is 42.

The square root of 1327421895 is about 36433.8015447194. The cubic root of 1327421895 is about 1099.0134115380.

The spelling of 1327421895 in words is "one billion, three hundred twenty-seven million, four hundred twenty-one thousand, eight hundred ninety-five".