82559121 has 8 divisors (see below), whose sum is σ = 114864960. Its totient is φ = 52646352.

The previous prime is 82559111. The next prime is 82559137. The reversal of 82559121 is 12195528.

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

It is not a de Polignac number, because 82559121 - 2¹¹ = 82557073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82559111) 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, 598186 + ... + 598323.

It is an arithmetic number, because the mean of its divisors is an integer number (14358120).

Almost surely, 2^82559121 is an apocalyptic number.

It is an amenable number.

82559121 is a deficient number, since it is larger than the sum of its proper divisors (32305839).

82559121 is a wasteful number, since it uses less digits than its factorization.

82559121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196535.

The product of its digits is 7200, while the sum is 33.

The square root of 82559121 is about 9086.2049833800. The cubic root of 82559121 is about 435.4333480459.

The spelling of 82559121 in words is "eighty-two million, five hundred fifty-nine thousand, one hundred twenty-one".