8540128201 has 8 divisors (see below), whose sum is σ = 9317548800. Its totient is φ = 7762881840.

The previous prime is 8540128199. The next prime is 8540128237. The reversal of 8540128201 is 1028210458.

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 8540128201 - 2¹ = 8540128199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8540128271) 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, 72355 + ... + 149383.

It is an arithmetic number, because the mean of its divisors is an integer number (1164693600).

Almost surely, 2^8540128201 is an apocalyptic number.

It is an amenable number.

8540128201 is a deficient number, since it is larger than the sum of its proper divisors (777420599).

8540128201 is a wasteful number, since it uses less digits than its factorization.

8540128201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87119.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 8540128201 is about 92412.8140519484. The cubic root of 8540128201 is about 2044.0340686472.

Adding to 8540128201 its reverse (1028210458), we get a palindrome (9568338659).

The spelling of 8540128201 in words is "eight billion, five hundred forty million, one hundred twenty-eight thousand, two hundred one".