1100389912 has 8 divisors (see below), whose sum is σ = 2063231100. Its totient is φ = 550194952.

The previous prime is 1100389903. The next prime is 1100389931. The reversal of 1100389912 is 2199830011.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68774362 + ... + 68774377.

Almost surely, 2^1100389912 is an apocalyptic number.

It is an amenable number.

1100389912 is a deficient number, since it is larger than the sum of its proper divisors (962841188).

1100389912 is a wasteful number, since it uses less digits than its factorization.

1100389912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137548745 (or 137548741 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 1100389912 is about 33172.1255273159. The cubic root of 1100389912 is about 1032.4020702614.

The spelling of 1100389912 in words is "one billion, one hundred million, three hundred eighty-nine thousand, nine hundred twelve".