1266223041 has 6 divisors (see below), whose sum is σ = 1828988850. Its totient is φ = 844148688.

The previous prime is 1266223039. The next prime is 1266223051. The reversal of 1266223041 is 1403226621.

1266223041 is a `hidden beast` number, since 1 + 2 + 6 + 622 + 30 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 870014016 + 396209025 = 29496^2 + 19905^2 .

It is not a de Polignac number, because 1266223041 - 2¹ = 1266223039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1266222996 and 1266223014.

It is not an unprimeable number, because it can be changed into a prime (1266223051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70345716 + ... + 70345733.

It is an arithmetic number, because the mean of its divisors is an integer number (304831475).

Almost surely, 2^1266223041 is an apocalyptic number.

It is an amenable number.

1266223041 is a deficient number, since it is larger than the sum of its proper divisors (562765809).

1266223041 is a wasteful number, since it uses less digits than its factorization.

1266223041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140691455 (or 140691452 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1266223041 is about 35584.0278917382. The cubic root of 1266223041 is about 1081.8575260873.

Adding to 1266223041 its reverse (1403226621), we get a palindrome (2669449662).

The spelling of 1266223041 in words is "one billion, two hundred sixty-six million, two hundred twenty-three thousand, forty-one".