128365048 has 32 divisors (see below), whose sum is σ = 283944960. Its totient is φ = 53238240.

The previous prime is 128365031. The next prime is 128365057. The reversal of 128365048 is 840563821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 128364998 and 128365016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35236 + ... + 38707.

It is an arithmetic number, because the mean of its divisors is an integer number (8873280).

Almost surely, 2^128365048 is an apocalyptic number.

It is an amenable number.

128365048 is an abundant number, since it is smaller than the sum of its proper divisors (155579912).

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

128365048 is a wasteful number, since it uses less digits than its factorization.

128365048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73987 (or 73983 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 128365048 is about 11329.8300075509. The cubic root of 128365048 is about 504.4470607066.

The spelling of 128365048 in words is "one hundred twenty-eight million, three hundred sixty-five thousand, forty-eight".