108721012 has 24 divisors (see below), whose sum is σ = 195394752. Its totient is φ = 52900800.

The previous prime is 108721007. The next prime is 108721037. The reversal of 108721012 is 210127801.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 104937 + ... + 105967.

It is an arithmetic number, because the mean of its divisors is an integer number (8141448).

Almost surely, 2^108721012 is an apocalyptic number.

It is an amenable number.

108721012 is a deficient number, since it is larger than the sum of its proper divisors (86673740).

108721012 is a wasteful number, since it uses less digits than its factorization.

108721012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 108721012 is about 10426.9368464569. The cubic root of 108721012 is about 477.2777207993.

Adding to 108721012 its reverse (210127801), we get a palindrome (318848813).

The spelling of 108721012 in words is "one hundred eight million, seven hundred twenty-one thousand, twelve".