1271224 has 16 divisors (see below), whose sum is σ = 2403720. Its totient is φ = 630240.

The previous prime is 1271213. The next prime is 1271227. The reversal of 1271224 is 4221721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271227) 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 in 3 ways as a sum of consecutive naturals, for example, 442 + ... + 1654.

2^1271224 is an apocalyptic number.

It is an amenable number.

1271224 is a deficient number, since it is larger than the sum of its proper divisors (1132496).

1271224 is a wasteful number, since it uses less digits than its factorization.

1271224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 1346 counting only the distinct ones).

The product of its digits is 224, while the sum is 19.

The square root of 1271224 is about 1127.4856983572. The cubic root of 1271224 is about 108.3279923731.

Adding to 1271224 its reverse (4221721), we get a palindrome (5492945).

The spelling of 1271224 in words is "one million, two hundred seventy-one thousand, two hundred twenty-four".