128041571 has 8 divisors (see below), whose sum is σ = 150288480. Its totient is φ = 106783488.

The previous prime is 128041567. The next prime is 128041577. The reversal of 128041571 is 175140821.

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

It is not a de Polignac number, because 128041571 - 2² = 128041567 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128041577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246926 + ... + 247443.

It is an arithmetic number, because the mean of its divisors is an integer number (18786060).

Almost surely, 2^128041571 is an apocalyptic number.

128041571 is a deficient number, since it is larger than the sum of its proper divisors (22246909).

128041571 is an equidigital number, since it uses as much as digits as its factorization.

128041571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494413.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 128041571 is about 11315.5455458409. The cubic root of 128041571 is about 504.0229725713.

The spelling of 128041571 in words is "one hundred twenty-eight million, forty-one thousand, five hundred seventy-one".