82648121 has 8 divisors (see below), whose sum is σ = 85064064. Its totient is φ = 80241840.

The previous prime is 82648117. The next prime is 82648123. The reversal of 82648121 is 12184628.

It is a happy number.

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 82648121 - 2² = 82648117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82648123) 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, 17216 + ... + 21486.

It is an arithmetic number, because the mean of its divisors is an integer number (10633008).

Almost surely, 2^82648121 is an apocalyptic number.

It is an amenable number.

82648121 is a deficient number, since it is larger than the sum of its proper divisors (2415943).

82648121 is a wasteful number, since it uses less digits than its factorization.

82648121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831.

The product of its digits is 6144, while the sum is 32.

The square root of 82648121 is about 9091.1011984248. The cubic root of 82648121 is about 435.5897597995.

The spelling of 82648121 in words is "eighty-two million, six hundred forty-eight thousand, one hundred twenty-one".