1327481 has 2 divisors, whose sum is σ = 1327482. Its totient is φ = 1327480.

The previous prime is 1327427. The next prime is 1327489. The reversal of 1327481 is 1847231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1301881 + 25600 = 1141^2 + 160^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327481 - 2¹⁴ = 1311097 is a prime.

It is a super-2 number, since 2×1327481² = 3524411610722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1327481.

It is not a weakly prime, because it can be changed into another prime (1327489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663740 + 663741.

It is an arithmetic number, because the mean of its divisors is an integer number (663741).

2^1327481 is an apocalyptic number.

It is an amenable number.

1327481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327481 is an equidigital number, since it uses as much as digits as its factorization.

1327481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 1327481 is about 1152.1636168531. The cubic root of 1327481 is about 109.9029722912.

The spelling of 1327481 in words is "one million, three hundred twenty-seven thousand, four hundred eighty-one".