128030464 has 18 divisors (see below), whose sum is σ = 255561320. Its totient is φ = 64015104.

The previous prime is 128030453. The next prime is 128030509. The reversal of 128030464 is 464030821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249804 + ... + 250315.

Almost surely, 2^128030464 is an apocalyptic number.

It is an amenable number.

128030464 is a deficient number, since it is larger than the sum of its proper divisors (127530856).

128030464 is an frugal number, since it uses more digits than its factorization.

128030464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500135 (or 500121 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 128030464 is about 11315.0547501990. The cubic root of 128030464 is about 504.0083982812.

The spelling of 128030464 in words is "one hundred twenty-eight million, thirty thousand, four hundred sixty-four".