128484532 has 24 divisors (see below), whose sum is σ = 255955392. Its totient is φ = 55862400.

The previous prime is 128484527. The next prime is 128484557. The reversal of 128484532 is 235484821.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 128484491 and 128484500.

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, 62469 + ... + 64492.

It is an arithmetic number, because the mean of its divisors is an integer number (10664808).

Almost surely, 2^128484532 is an apocalyptic number.

It is an amenable number.

128484532 is a deficient number, since it is larger than the sum of its proper divisors (127470860).

128484532 is a wasteful number, since it uses less digits than its factorization.

128484532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126999 (or 126997 counting only the distinct ones).

The product of its digits is 61440, while the sum is 37.

The square root of 128484532 is about 11335.1017639896. The cubic root of 128484532 is about 504.6035276528.

The spelling of 128484532 in words is "one hundred twenty-eight million, four hundred eighty-four thousand, five hundred thirty-two".