128201546 has 8 divisors (see below), whose sum is σ = 209784384. Its totient is φ = 58273420.

The previous prime is 128201503. The next prime is 128201561. The reversal of 128201546 is 645102821.

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2913650 + ... + 2913693.

It is an arithmetic number, because the mean of its divisors is an integer number (26223048).

Almost surely, 2^128201546 is an apocalyptic number.

128201546 is a deficient number, since it is larger than the sum of its proper divisors (81582838).

128201546 is a wasteful number, since it uses less digits than its factorization.

128201546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827356.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 128201546 is about 11322.6121544456. The cubic root of 128201546 is about 504.2327937973.

The spelling of 128201546 in words is "one hundred twenty-eight million, two hundred one thousand, five hundred forty-six".