1108909012 has 12 divisors (see below), whose sum is σ = 1973482560. Its totient is φ = 545056856.

The previous prime is 1108909003. The next prime is 1108909037. The reversal of 1108909012 is 2109098011.

It is a super-2 number, since 2×1108909012² = 2459358393789632288, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 2349148 + ... + 2349619.

It is an arithmetic number, because the mean of its divisors is an integer number (164456880).

Almost surely, 2^1108909012 is an apocalyptic number.

It is an amenable number.

1108909012 is a deficient number, since it is larger than the sum of its proper divisors (864573548).

1108909012 is a wasteful number, since it uses less digits than its factorization.

1108909012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698830 (or 4698828 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 1108909012 is about 33300.2854642419. The cubic root of 1108909012 is about 1035.0594727275.

The spelling of 1108909012 in words is "one billion, one hundred eight million, nine hundred nine thousand, twelve".