1266736076 has 12 divisors (see below), whose sum is σ = 2217735072. Its totient is φ = 633097488.

The previous prime is 1266736073. The next prime is 1266736091. The reversal of 1266736076 is 6706376621.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1266736073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56915 + ... + 75978.

It is an arithmetic number, because the mean of its divisors is an integer number (184811256).

Almost surely, 2^1266736076 is an apocalyptic number.

It is an amenable number.

1266736076 is a deficient number, since it is larger than the sum of its proper divisors (950998996).

1266736076 is a wasteful number, since it uses less digits than its factorization.

1266736076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135280 (or 135278 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 1266736076 is about 35591.2359436983. The cubic root of 1266736076 is about 1082.0036182617.

The spelling of 1266736076 in words is "one billion, two hundred sixty-six million, seven hundred thirty-six thousand, seventy-six".