1266056041 has 8 divisors (see below), whose sum is σ = 1272860480. Its totient is φ = 1259263152.

The previous prime is 1266056017. The next prime is 1266056093. The reversal of 1266056041 is 1406506621.

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

It is a cyclic number.

It is not a de Polignac number, because 1266056041 - 2⁷ = 1266055913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1266055994 and 1266056012.

It is not an unprimeable number, because it can be changed into a prime (1266036041) 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 7 ways as a sum of consecutive naturals, for example, 296266 + ... + 300508.

It is an arithmetic number, because the mean of its divisors is an integer number (159107560).

Almost surely, 2^1266056041 is an apocalyptic number.

It is an amenable number.

1266056041 is a deficient number, since it is larger than the sum of its proper divisors (6804439).

1266056041 is a wasteful number, since it uses less digits than its factorization.

1266056041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1266056041 is about 35581.6812559497. The cubic root of 1266056041 is about 1081.8099625474.

The spelling of 1266056041 in words is "one billion, two hundred sixty-six million, fifty-six thousand, forty-one".