832121 has 2 divisors, whose sum is σ = 832122. Its totient is φ = 832120.

The previous prime is 832109. The next prime is 832123. The reversal of 832121 is 121238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 698896 + 133225 = 836^2 + 365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-832121 is a prime.

Together with 832123, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 832121.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 832121.

It is not a weakly prime, because it can be changed into another prime (832123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416060 + 416061.

It is an arithmetic number, because the mean of its divisors is an integer number (416061).

2⁸³²¹²¹ is an apocalyptic number.

It is an amenable number.

832121 is a deficient number, since it is larger than the sum of its proper divisors (1).

832121 is an equidigital number, since it uses as much as digits as its factorization.

832121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 17.

The square root of 832121 is about 912.2066651806. The cubic root of 832121 is about 94.0579467669.

Adding to 832121 its reverse (121238), we get a palindrome (953359).

The spelling of 832121 in words is "eight hundred thirty-two thousand, one hundred twenty-one".