1171266 has 16 divisors (see below), whose sum is σ = 2480544. Its totient is φ = 367424.

The previous prime is 1171259. The next prime is 1171267. The reversal of 1171266 is 6621711.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1171267) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5640 + ... + 5843.

It is an arithmetic number, because the mean of its divisors is an integer number (155034).

2^1171266 is an apocalyptic number.

1171266 is an abundant number, since it is smaller than the sum of its proper divisors (1309278).

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

1171266 is a wasteful number, since it uses less digits than its factorization.

1171266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11505.

The product of its digits is 504, while the sum is 24.

The square root of 1171266 is about 1082.2504331253. The cubic root of 1171266 is about 105.4108168695.

Adding to 1171266 its reverse (6621711), we get a palindrome (7792977).

The spelling of 1171266 in words is "one million, one hundred seventy-one thousand, two hundred sixty-six".