128099748 has 48 divisors (see below), whose sum is σ = 359582720. Its totient is φ = 34673184.

The previous prime is 128099737. The next prime is 128099749. The reversal of 128099748 is 847990821.

It is a junction number, because it is equal to n+sod(n) for n = 128099697 and 128099706.

It is not an unprimeable number, because it can be changed into a prime (128099749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38536 + ... + 41727.

Almost surely, 2^128099748 is an apocalyptic number.

It is an amenable number.

128099748 is an abundant number, since it is smaller than the sum of its proper divisors (231482972).

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

128099748 is a wasteful number, since it uses less digits than its factorization.

128099748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80296 (or 80294 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 128099748 is about 11318.1159209473. The cubic root of 128099748 is about 504.0992970139.

The spelling of 128099748 in words is "one hundred twenty-eight million, ninety-nine thousand, seven hundred forty-eight".