1272211 has 2 divisors, whose sum is σ = 1272212. Its totient is φ = 1272210.

The previous prime is 1272203. The next prime is 1272223. The reversal of 1272211 is 1122721.

It is a weak prime.

It is an emirp because it is prime and its reverse (1122721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1272211 - 2³ = 1272203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1272281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636105 + 636106.

It is an arithmetic number, because the mean of its divisors is an integer number (636106).

2^1272211 is an apocalyptic number.

1272211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1272211 is an equidigital number, since it uses as much as digits as its factorization.

1272211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56, while the sum is 16.

The square root of 1272211 is about 1127.9233129961. The cubic root of 1272211 is about 108.3560210208.

Adding to 1272211 its reverse (1122721), we get a palindrome (2394932).

The spelling of 1272211 in words is "one million, two hundred seventy-two thousand, two hundred eleven".