109195992 has 32 divisors (see below), whose sum is σ = 303322800. Its totient is φ = 36398592.

The previous prime is 109195979. The next prime is 109196011. The reversal of 109195992 is 299591901.

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, 252553 + ... + 252984.

Almost surely, 2^109195992 is an apocalyptic number.

109195992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109195992 is an abundant number, since it is smaller than the sum of its proper divisors (194126808).

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

109195992 is a wasteful number, since it uses less digits than its factorization.

109195992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505552 (or 505542 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 45.

The square root of 109195992 is about 10449.6886078007. The cubic root of 109195992 is about 477.9717541942.

The spelling of 109195992 in words is "one hundred nine million, one hundred ninety-five thousand, nine hundred ninety-two".