128330554 has 8 divisors (see below), whose sum is σ = 209995488. Its totient is φ = 58332060.

The previous prime is 128330551. The next prime is 128330563. The reversal of 128330554 is 455033821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (128330551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2916582 + ... + 2916625.

It is an arithmetic number, because the mean of its divisors is an integer number (26249436).

Almost surely, 2^128330554 is an apocalyptic number.

128330554 is a deficient number, since it is larger than the sum of its proper divisors (81664934).

128330554 is a wasteful number, since it uses less digits than its factorization.

128330554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833220.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 128330554 is about 11328.3076405966. The cubic root of 128330554 is about 504.4018719890.

The spelling of 128330554 in words is "one hundred twenty-eight million, three hundred thirty thousand, five hundred fifty-four".