82604121 has 8 divisors (see below), whose sum is σ = 110381664. Its totient is φ = 54948000.

The previous prime is 82604117. The next prime is 82604129. The reversal of 82604121 is 12140628.

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

It is not a de Polignac number, because 82604121 - 2² = 82604117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82604091 and 82604100.

It is not an unprimeable number, because it can be changed into a prime (82604129) 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, 28755 + ... + 31496.

It is an arithmetic number, because the mean of its divisors is an integer number (13797708).

Almost surely, 2^82604121 is an apocalyptic number.

It is an amenable number.

82604121 is a deficient number, since it is larger than the sum of its proper divisors (27777543).

82604121 is a wasteful number, since it uses less digits than its factorization.

82604121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60711.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 82604121 is about 9088.6809273954. The cubic root of 82604121 is about 435.5124466822.

Adding to 82604121 its reverse (12140628), we get a palindrome (94744749).

The spelling of 82604121 in words is "eighty-two million, six hundred four thousand, one hundred twenty-one".