1100043412 has 24 divisors (see below), whose sum is σ = 2195111016. Its totient is φ = 477846528.

The previous prime is 1100043409. The next prime is 1100043421. The reversal of 1100043412 is 2143400011.

It can be written as a sum of positive squares in 4 ways, for example, as 26563716 + 1073479696 = 5154^2 + 32764^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 621313 + ... + 623080.

It is an arithmetic number, because the mean of its divisors is an integer number (91462959).

Almost surely, 2^1100043412 is an apocalyptic number.

It is an amenable number.

1100043412 is a deficient number, since it is larger than the sum of its proper divisors (1095067604).

1100043412 is a wasteful number, since it uses less digits than its factorization.

1100043412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244427 (or 1244425 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1100043412 is about 33166.9023576215. The cubic root of 1100043412 is about 1032.2936950791.

Adding to 1100043412 its reverse (2143400011), we get a palindrome (3243443423).

The spelling of 1100043412 in words is "one billion, one hundred million, forty-three thousand, four hundred twelve".