1271286 has 12 divisors (see below), whose sum is σ = 2754492. Its totient is φ = 423756.

The previous prime is 1271251. The next prime is 1271293. The reversal of 1271286 is 6821721.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 35296 + ... + 35331.

It is an arithmetic number, because the mean of its divisors is an integer number (229541).

2^1271286 is an apocalyptic number.

1271286 is an abundant number, since it is smaller than the sum of its proper divisors (1483206).

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

1271286 is a wasteful number, since it uses less digits than its factorization.

1271286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70635 (or 70632 counting only the distinct ones).

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

The square root of 1271286 is about 1127.5131928275. The cubic root of 1271286 is about 108.3297534649.

The spelling of 1271286 in words is "one million, two hundred seventy-one thousand, two hundred eighty-six".