128424484 has 12 divisors (see below), whose sum is σ = 230817244. Its totient is φ = 62476704.

The previous prime is 128424473. The next prime is 128424493. The reversal of 128424484 is 484424821.

It can be written as a sum of positive squares in 2 ways, for example, as 50808384 + 77616100 = 7128^2 + 8810^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433719 + ... + 434014.

Almost surely, 2^128424484 is an apocalyptic number.

It is an amenable number.

128424484 is a deficient number, since it is larger than the sum of its proper divisors (102392760).

128424484 is a wasteful number, since it uses less digits than its factorization.

128424484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867774 (or 867772 counting only the distinct ones).

The product of its digits is 65536, while the sum is 37.

The square root of 128424484 is about 11332.4526912756. The cubic root of 128424484 is about 504.5249055968.

The spelling of 128424484 in words is "one hundred twenty-eight million, four hundred twenty-four thousand, four hundred eighty-four".