128930441 has 8 divisors (see below), whose sum is σ = 130065600. Its totient is φ = 127799568.

The previous prime is 128930437. The next prime is 128930443. The reversal of 128930441 is 144039821.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 128930441 - 2² = 128930437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128930398 and 128930407.

It is not an unprimeable number, because it can be changed into a prime (128930443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91460 + ... + 92858.

It is an arithmetic number, because the mean of its divisors is an integer number (16258200).

Almost surely, 2^128930441 is an apocalyptic number.

It is an amenable number.

128930441 is a deficient number, since it is larger than the sum of its proper divisors (1135159).

128930441 is a wasteful number, since it uses less digits than its factorization.

128930441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 128930441 is about 11354.7541144668. The cubic root of 128930441 is about 505.1866003224.

The spelling of 128930441 in words is "one hundred twenty-eight million, nine hundred thirty thousand, four hundred forty-one".