1101252866 has 64 divisors (see below), whose sum is σ = 2012774400. Its totient is φ = 441936000.

The previous prime is 1101252851. The next prime is 1101252883. The reversal of 1101252866 is 6682521011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3540851 + ... + 3541161.

It is an arithmetic number, because the mean of its divisors is an integer number (31449600).

Almost surely, 2^1101252866 is an apocalyptic number.

1101252866 is a deficient number, since it is larger than the sum of its proper divisors (911521534).

1101252866 is a wasteful number, since it uses less digits than its factorization.

1101252866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1101252866 is about 33185.1301941095. The cubic root of 1101252866 is about 1032.6718784736.

Adding to 1101252866 its reverse (6682521011), we get a palindrome (7783773877).

The spelling of 1101252866 in words is "one billion, one hundred one million, two hundred fifty-two thousand, eight hundred sixty-six".