1220327 has 2 divisors, whose sum is σ = 1220328. Its totient is φ = 1220326.

The previous prime is 1220309. The next prime is 1220333. The reversal of 1220327 is 7230221.

It is a strong prime.

It is an emirp because it is prime and its reverse (7230221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1220327 - 2⁸ = 1220071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610163 + 610164.

It is an arithmetic number, because the mean of its divisors is an integer number (610164).

2^1220327 is an apocalyptic number.

1220327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220327 is an equidigital number, since it uses as much as digits as its factorization.

1220327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1220327 is about 1104.6841177459. The cubic root of 1220327 is about 106.8625188621.

Adding to 1220327 its reverse (7230221), we get a palindrome (8450548).

The spelling of 1220327 in words is "one million, two hundred twenty thousand, three hundred twenty-seven".