128746848 has 48 divisors (see below), whose sum is σ = 357845040. Its totient is φ = 40390656.

The previous prime is 128746841. The next prime is 128746879. The reversal of 128746848 is 848647821.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 128746797 and 128746806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128746841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37813 + ... + 41076.

It is an arithmetic number, because the mean of its divisors is an integer number (7455105).

Almost surely, 2^128746848 is an apocalyptic number.

It is an amenable number.

128746848 is an abundant number, since it is smaller than the sum of its proper divisors (229098192).

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

128746848 is a wasteful number, since it uses less digits than its factorization.

128746848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78919 (or 78911 counting only the distinct ones).

The product of its digits is 688128, while the sum is 48.

The square root of 128746848 is about 11346.6668233451. Note that the first 3 decimals coincide. The cubic root of 128746848 is about 504.9466963312.

The spelling of 128746848 in words is "one hundred twenty-eight million, seven hundred forty-six thousand, eight hundred forty-eight".