1327240401 has 4 divisors (see below), whose sum is σ = 1769653872. Its totient is φ = 884826932.

The previous prime is 1327240393. The next prime is 1327240403. The reversal of 1327240401 is 1040427231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1040427231 = 3 ⋅346809077.

It is a cyclic number.

It is not a de Polignac number, because 1327240401 - 2³ = 1327240393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1327240403) 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, 221206731 + ... + 221206736.

It is an arithmetic number, because the mean of its divisors is an integer number (442413468).

Almost surely, 2^1327240401 is an apocalyptic number.

It is an amenable number.

1327240401 is a deficient number, since it is larger than the sum of its proper divisors (442413471).

1327240401 is an equidigital number, since it uses as much as digits as its factorization.

1327240401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442413470.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1327240401 is about 36431.3107230580. The cubic root of 1327240401 is about 1098.9633211002.

Adding to 1327240401 its reverse (1040427231), we get a palindrome (2367667632).

The spelling of 1327240401 in words is "one billion, three hundred twenty-seven million, two hundred forty thousand, four hundred one".