109203928 has 8 divisors (see below), whose sum is σ = 204757380. Its totient is φ = 54601960.

The previous prime is 109203901. The next prime is 109203943. The reversal of 109203928 is 829302901.

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

It is a junction number, because it is equal to n+sod(n) for n = 109203893 and 109203902.

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 as a sum of consecutive naturals, namely, 6825238 + ... + 6825253.

Almost surely, 2^109203928 is an apocalyptic number.

It is an amenable number.

109203928 is a deficient number, since it is larger than the sum of its proper divisors (95553452).

109203928 is a wasteful number, since it uses less digits than its factorization.

109203928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13650497 (or 13650493 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 109203928 is about 10450.0683251355. The cubic root of 109203928 is about 477.9833330440.

The spelling of 109203928 in words is "one hundred nine million, two hundred three thousand, nine hundred twenty-eight".