109520728 has 8 divisors (see below), whose sum is σ = 205351380. Its totient is φ = 54760360.

The previous prime is 109520711. The next prime is 109520759. The reversal of 109520728 is 827025901.

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 = 109520693 and 109520702.

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 as a sum of consecutive naturals, namely, 6845038 + ... + 6845053.

Almost surely, 2^109520728 is an apocalyptic number.

It is an amenable number.

109520728 is a deficient number, since it is larger than the sum of its proper divisors (95830652).

109520728 is a wasteful number, since it uses less digits than its factorization.

109520728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13690097 (or 13690093 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 109520728 is about 10465.2151435123. The cubic root of 109520728 is about 478.4450958224.

The spelling of 109520728 in words is "one hundred nine million, five hundred twenty thousand, seven hundred twenty-eight".