1211266 has 16 divisors (see below), whose sum is σ = 2090880. Its totient is φ = 515520.

The previous prime is 1211261. The next prime is 1211279. The reversal of 1211266 is 6621121.

It is not an unprimeable number, because it can be changed into a prime (1211261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3195 + ... + 3553.

It is an arithmetic number, because the mean of its divisors is an integer number (130680).

2^1211266 is an apocalyptic number.

1211266 is a deficient number, since it is larger than the sum of its proper divisors (879614).

1211266 is a wasteful number, since it uses less digits than its factorization.

1211266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609.

The product of its digits is 144, while the sum is 19.

The square root of 1211266 is about 1100.5753041024. The cubic root of 1211266 is about 106.5973747017.

Adding to 1211266 its reverse (6621121), we get a palindrome (7832387).

The spelling of 1211266 in words is "one million, two hundred eleven thousand, two hundred sixty-six".