1271066 has 4 divisors (see below), whose sum is σ = 1906602. Its totient is φ = 635532.

The previous prime is 1271059. The next prime is 1271069. The reversal of 1271066 is 6601721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 664225 + 606841 = 815^2 + 779^2 .

It is not an unprimeable number, because it can be changed into a prime (1271069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317765 + ... + 317768.

2^1271066 is an apocalyptic number.

1271066 is a deficient number, since it is larger than the sum of its proper divisors (635536).

1271066 is an equidigital number, since it uses as much as digits as its factorization.

1271066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635535.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1271066 is about 1127.4156287723. The cubic root of 1271066 is about 108.3235041707.

Adding to 1271066 its reverse (6601721), we get a palindrome (7872787).

The spelling of 1271066 in words is "one million, two hundred seventy-one thousand, sixty-six".