101803728 has 40 divisors (see below), whose sum is σ = 283224928. Its totient is φ = 31324032.

The previous prime is 101803703. The next prime is 101803763. The reversal of 101803728 is 827308101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101803695 and 101803704.

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, 80950 + ... + 82197.

Almost surely, 2^101803728 is an apocalyptic number.

It is an amenable number.

101803728 is an abundant number, since it is smaller than the sum of its proper divisors (181421200).

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

101803728 is a wasteful number, since it uses less digits than its factorization.

101803728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163171 (or 163165 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 101803728 is about 10089.7833475254. The cubic root of 101803728 is about 466.9329917444.

The spelling of 101803728 in words is "one hundred one million, eight hundred three thousand, seven hundred twenty-eight".