109371728 has 20 divisors (see below), whose sum is σ = 212257248. Its totient is φ = 54595680.

The previous prime is 109371721. The next prime is 109371767. The reversal of 109371728 is 827173901.

It is a junction number, because it is equal to n+sod(n) for n = 109371691 and 109371700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109371721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4973 + ... + 15603.

Almost surely, 2^109371728 is an apocalyptic number.

It is an amenable number.

109371728 is a deficient number, since it is larger than the sum of its proper divisors (102885520).

109371728 is a wasteful number, since it uses less digits than its factorization.

109371728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11282 (or 11276 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 109371728 is about 10458.0938989856. The cubic root of 109371728 is about 478.2280267992.

The spelling of 109371728 in words is "one hundred nine million, three hundred seventy-one thousand, seven hundred twenty-eight".