1327792081 has 32 divisors (see below), whose sum is σ = 1678786560. Its totient is φ = 1020163200.

The previous prime is 1327792069. The next prime is 1327792097. The reversal of 1327792081 is 1802977231.

It is a happy number.

It is not a de Polignac number, because 1327792081 - 2⁵ = 1327792049 is a prime.

It is a super-2 number, since 2×1327792081² = 3526063620732621122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1327792051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2014530 + ... + 2015188.

It is an arithmetic number, because the mean of its divisors is an integer number (52462080).

Almost surely, 2^1327792081 is an apocalyptic number.

1327792081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1327792081 is a deficient number, since it is larger than the sum of its proper divisors (350994479).

1327792081 is a wasteful number, since it uses less digits than its factorization.

1327792081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 1327792081 is about 36438.8814455109. The cubic root of 1327792081 is about 1099.1155648340.

The spelling of 1327792081 in words is "one billion, three hundred twenty-seven million, seven hundred ninety-two thousand, eighty-one".