128012548 has 24 divisors (see below), whose sum is σ = 232158080. Its totient is φ = 61719840.

The previous prime is 128012513. The next prime is 128012569. The reversal of 128012548 is 845210821.

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, 8878 + ... + 18298.

Almost surely, 2^128012548 is an apocalyptic number.

It is an amenable number.

128012548 is a deficient number, since it is larger than the sum of its proper divisors (104145532).

128012548 is a wasteful number, since it uses less digits than its factorization.

128012548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9547 (or 9545 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 128012548 is about 11314.2630338878. The cubic root of 128012548 is about 503.9848876379.

The spelling of 128012548 in words is "one hundred twenty-eight million, twelve thousand, five hundred forty-eight".