109128968 has 32 divisors (see below), whose sum is σ = 220835160. Its totient is φ = 50257920.

The previous prime is 109128931. The next prime is 109128991. The reversal of 109128968 is 869821901.

It can be written as a sum of positive squares in 4 ways, for example, as 68194564 + 40934404 = 8258^2 + 6398^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65846 + ... + 67482.

Almost surely, 2^109128968 is an apocalyptic number.

It is an amenable number.

109128968 is an abundant number, since it is smaller than the sum of its proper divisors (111706192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109128968 is a wasteful number, since it uses less digits than its factorization.

109128968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 109128968 is about 10446.4811300265. The cubic root of 109128968 is about 477.8739418877.

The spelling of 109128968 in words is "one hundred nine million, one hundred twenty-eight thousand, nine hundred sixty-eight".