128048464 has 10 divisors (see below), whose sum is σ = 248093930. Its totient is φ = 64024224.

The previous prime is 128048461. The next prime is 128048489. The reversal of 128048464 is 464840821.

It can be written as a sum of positive squares in only one way, i.e., 126337600 + 1710864 = 11240^2 + 1308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128048461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4001499 + ... + 4001530.

It is an arithmetic number, because the mean of its divisors is an integer number (24809393).

Almost surely, 2^128048464 is an apocalyptic number.

It is an amenable number.

128048464 is a deficient number, since it is larger than the sum of its proper divisors (120045466).

128048464 is an equidigital number, since it uses as much as digits as its factorization.

128048464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8003037 (or 8003031 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 128048464 is about 11315.8501227261. The cubic root of 128048464 is about 504.0320169465.

The spelling of 128048464 in words is "one hundred twenty-eight million, forty-eight thousand, four hundred sixty-four".