105128448 has 40 divisors (see below), whose sum is σ = 280072848. Its totient is φ = 35042304.

The previous prime is 105128447. The next prime is 105128461. The reversal of 105128448 is 844821501.

It is a super-2 number, since 2×105128448² = 22103981157777408, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (105128447) 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, 32686 + ... + 35757.

Almost surely, 2^105128448 is an apocalyptic number.

It is an amenable number.

105128448 is an abundant number, since it is smaller than the sum of its proper divisors (174944400).

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

105128448 is an frugal number, since it uses more digits than its factorization.

105128448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68464 (or 68448 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 105128448 is about 10253.2164709422. The cubic root of 105128448 is about 471.9616937217.

Adding to 105128448 its reverse (844821501), we get a palindrome (949949949).

The spelling of 105128448 in words is "one hundred five million, one hundred twenty-eight thousand, four hundred forty-eight".