1266450033 has 8 divisors (see below), whose sum is σ = 1688765248. Its totient is φ = 844217424.

The previous prime is 1266450019. The next prime is 1266450041. The reversal of 1266450033 is 3300546621.

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

It is not a de Polignac number, because 1266450033 - 2⁵ = 1266450001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1266450083) 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, 44391 + ... + 67107.

It is an arithmetic number, because the mean of its divisors is an integer number (211095656).

Almost surely, 2^1266450033 is an apocalyptic number.

It is an amenable number.

1266450033 is a deficient number, since it is larger than the sum of its proper divisors (422315215).

1266450033 is a wasteful number, since it uses less digits than its factorization.

1266450033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41303.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1266450033 is about 35587.2172696883. The cubic root of 1266450033 is about 1081.9221693406.

Adding to 1266450033 its reverse (3300546621), we get a palindrome (4566996654).

The spelling of 1266450033 in words is "one billion, two hundred sixty-six million, four hundred fifty thousand, thirty-three".