1266133352 has 48 divisors (see below), whose sum is σ = 2622228000. Its totient is φ = 572695200.

The previous prime is 1266133291. The next prime is 1266133357. The reversal of 1266133352 is 2533316621.

It is not an unprimeable number, because it can be changed into a prime (1266133357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201149 + ... + 207347.

It is an arithmetic number, because the mean of its divisors is an integer number (54629750).

Almost surely, 2^1266133352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1266133352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1311114000).

1266133352 is an abundant number, since it is smaller than the sum of its proper divisors (1356094648).

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

1266133352 is a wasteful number, since it uses less digits than its factorization.

1266133352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438 (or 6423 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The square root of 1266133352 is about 35582.7676270410. The cubic root of 1266133352 is about 1081.8319821382.

Adding to 1266133352 its reverse (2533316621), we get a palindrome (3799449973).

The spelling of 1266133352 in words is "one billion, two hundred sixty-six million, one hundred thirty-three thousand, three hundred fifty-two".