1171241266 has 8 divisors (see below), whose sum is σ = 1892005164. Its totient is φ = 540572880.

The previous prime is 1171241257. The next prime is 1171241311. The reversal of 1171241266 is 6621421711.

It can be written as a sum of positive squares in 2 ways, for example, as 880368241 + 290873025 = 29671^2 + 17055^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1171241266² = 2743612206362565512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22523845 + ... + 22523896.

Almost surely, 2^1171241266 is an apocalyptic number.

1171241266 is a deficient number, since it is larger than the sum of its proper divisors (720763898).

1171241266 is a wasteful number, since it uses less digits than its factorization.

1171241266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45047756.

The product of its digits is 4032, while the sum is 31.

The square root of 1171241266 is about 34223.4023147904. The cubic root of 1171241266 is about 1054.1007486626.

Adding to 1171241266 its reverse (6621421711), we get a palindrome (7792662977).

The spelling of 1171241266 in words is "one billion, one hundred seventy-one million, two hundred forty-one thousand, two hundred sixty-six".