1266275706 has 8 divisors (see below), whose sum is σ = 2532551424. Its totient is φ = 422091900.

The previous prime is 1266275701. The next prime is 1266275707. The reversal of 1266275706 is 6075726621.

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

1266275706 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1266275701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105522970 + ... + 105522981.

It is an arithmetic number, because the mean of its divisors is an integer number (316568928).

Almost surely, 2^1266275706 is an apocalyptic number.

1266275706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1266275706 is a wasteful number, since it uses less digits than its factorization.

1266275706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211045956.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 1266275706 is about 35584.7678930185. The cubic root of 1266275706 is about 1081.8725248236.

The spelling of 1266275706 in words is "one billion, two hundred sixty-six million, two hundred seventy-five thousand, seven hundred six".