1271268 has 48 divisors (see below), whose sum is σ = 3360000. Its totient is φ = 415584.

The previous prime is 1271251. The next prime is 1271293. The reversal of 1271268 is 8621721.

It is a super-2 number, since 2×1271268² = 3232244655648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 8458 + ... + 8606.

It is an arithmetic number, because the mean of its divisors is an integer number (70000).

2^1271268 is an apocalyptic number.

1271268 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1271268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680000).

1271268 is an abundant number, since it is smaller than the sum of its proper divisors (2088732).

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

1271268 is a wasteful number, since it uses less digits than its factorization.

1271268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 233 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1271268 is about 1127.5052106310. The cubic root of 1271268 is about 108.3292421861.

Adding to 1271268 its reverse (8621721), we get a palindrome (9892989).

The spelling of 1271268 in words is "one million, two hundred seventy-one thousand, two hundred sixty-eight".