100128348 has 18 divisors (see below), whose sum is σ = 253102304. Its totient is φ = 33376104.

The previous prime is 100128307. The next prime is 100128359. The reversal of 100128348 is 843821001.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1390636 + ... + 1390707.

Almost surely, 2^100128348 is an apocalyptic number.

100128348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

100128348 is an abundant number, since it is smaller than the sum of its proper divisors (152973956).

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

100128348 is a wasteful number, since it uses less digits than its factorization.

100128348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781353 (or 2781348 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 100128348 is about 10006.4153421692. The cubic root of 100128348 is about 464.3573780121.

Adding to 100128348 its reverse (843821001), we get a palindrome (943949349).

The spelling of 100128348 in words is "one hundred million, one hundred twenty-eight thousand, three hundred forty-eight".