1271244 has 48 divisors (see below), whose sum is σ = 3316320. Its totient is φ = 376320.

The previous prime is 1271239. The next prime is 1271251. The reversal of 1271244 is 4421721.

1271244 = T₅₂₇ + T₅₂₈ + ... + T₅₃₅.

It is a happy number.

It is a super-2 number, since 2×1271244² = 3232122615072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1271244.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4384 + ... + 4664.

It is an arithmetic number, because the mean of its divisors is an integer number (69090).

2^1271244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1271244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658160).

1271244 is an abundant number, since it is smaller than the sum of its proper divisors (2045076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1271244 is a wasteful number, since it uses less digits than its factorization.

1271244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 328 counting only the distinct ones).

The product of its digits is 448, while the sum is 21.

The square root of 1271244 is about 1127.4945676144. The cubic root of 1271244 is about 108.3285604735.

Adding to 1271244 its reverse (4421721), we get a palindrome (5692965).

The spelling of 1271244 in words is "one million, two hundred seventy-one thousand, two hundred forty-four".