1327201 has 2 divisors, whose sum is σ = 1327202. Its totient is φ = 1327200.

The previous prime is 1327199. The next prime is 1327217. The reversal of 1327201 is 1027231.

It is a happy number.

It is an a-pointer prime, because the next prime (1327217) can be obtained adding 1327201 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1166400 + 160801 = 1080^2 + 401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327201 - 2¹ = 1327199 is a prime.

It is a super-2 number, since 2×1327201² = 3522924988802, which contains 22 as substring.

Together with 1327199, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1327231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663600 + 663601.

It is an arithmetic number, because the mean of its divisors is an integer number (663601).

2^1327201 is an apocalyptic number.

It is an amenable number.

1327201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327201 is an equidigital number, since it uses as much as digits as its factorization.

1327201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1327201 is about 1152.0420999252. The cubic root of 1327201 is about 109.8952446235.

The spelling of 1327201 in words is "one million, three hundred twenty-seven thousand, two hundred one".