1266234876 has 48 divisors (see below), whose sum is σ = 3331847680. Its totient is φ = 415776240.

The previous prime is 1266234833. The next prime is 1266234881. The reversal of 1266234876 is 6784326621.

1266234876 is a `hidden beast` number, since 12 + 6 + 623 + 4 + 8 + 7 + 6 = 666.

It is a super-2 number, since 2×1266234876² = 3206701522397470752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 80260 + ... + 94731.

Almost surely, 2^1266234876 is an apocalyptic number.

It is an amenable number.

1266234876 is an abundant number, since it is smaller than the sum of its proper divisors (2065612804).

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

1266234876 is a wasteful number, since it uses less digits than its factorization.

1266234876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175071 (or 175063 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 1266234876 is about 35584.1941878694. The cubic root of 1266234876 is about 1081.8608966740.

The spelling of 1266234876 in words is "one billion, two hundred sixty-six million, two hundred thirty-four thousand, eight hundred seventy-six".