1327079641 has 4 divisors (see below), whose sum is σ = 1328890852. Its totient is φ = 1325268432.

The previous prime is 1327079627. The next prime is 1327079669. The reversal of 1327079641 is 1469707231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1469707231 = 79 ⋅18603889.

It can be written as a sum of positive squares in 2 ways, for example, as 686230416 + 640849225 = 26196^2 + 25315^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327079641 - 2⁵ = 1327079609 is a prime.

It is a super-2 number, since 2×1327079641² = 3522280747113377762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1327079594 and 1327079603.

It is not an unprimeable number, because it can be changed into a prime (1327073641) 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, 904506 + ... + 905971.

It is an arithmetic number, because the mean of its divisors is an integer number (332222713).

Almost surely, 2^1327079641 is an apocalyptic number.

It is an amenable number.

1327079641 is a deficient number, since it is larger than the sum of its proper divisors (1811211).

1327079641 is an equidigital number, since it uses as much as digits as its factorization.

1327079641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811210.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 1327079641 is about 36429.1043123489. The cubic root of 1327079641 is about 1098.9189492148.

The spelling of 1327079641 in words is "one billion, three hundred twenty-seven million, seventy-nine thousand, six hundred forty-one".