100300128 has 48 divisors (see below), whose sum is σ = 271789056. Its totient is φ = 32353920.

The previous prime is 100300127. The next prime is 100300163. The reversal of 100300128 is 821003001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100300121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13876 + ... + 19827.

It is an arithmetic number, because the mean of its divisors is an integer number (5662272).

Almost surely, 2^100300128 is an apocalyptic number.

It is an amenable number.

100300128 is an abundant number, since it is smaller than the sum of its proper divisors (171488928).

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

100300128 is a wasteful number, since it uses less digits than its factorization.

100300128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33747 (or 33739 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 100300128 is about 10014.9951572629. The cubic root of 100300128 is about 464.6227765038.

Adding to 100300128 its reverse (821003001), we get a palindrome (921303129).

The spelling of 100300128 in words is "one hundred million, three hundred thousand, one hundred twenty-eight".