102128448 has 28 divisors (see below), whose sum is σ = 270215360. Its totient is φ = 34042752.

The previous prime is 102128437. The next prime is 102128461. The reversal of 102128448 is 844821201.

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 3 ways as a sum of consecutive naturals, for example, 265768 + ... + 266151.

Almost surely, 2^102128448 is an apocalyptic number.

It is an amenable number.

102128448 is an abundant number, since it is smaller than the sum of its proper divisors (168086912).

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

102128448 is an equidigital number, since it uses as much as digits as its factorization.

102128448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531934 (or 531924 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 102128448 is about 10105.8620611999. The cubic root of 102128448 is about 467.4289184350.

Adding to 102128448 its reverse (844821201), we get a palindrome (946949649).

The spelling of 102128448 in words is "one hundred two million, one hundred twenty-eight thousand, four hundred forty-eight".