832665121 has 2 divisors, whose sum is σ = 832665122. Its totient is φ = 832665120.

The previous prime is 832665103. The next prime is 832665133. The reversal of 832665121 is 121566238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 808606096 + 24059025 = 28436^2 + 4905^2 .

It is a cyclic number.

It is not a de Polignac number, because 832665121 - 2⁷ = 832664993 is a prime.

It is not a weakly prime, because it can be changed into another prime (832665161) 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 as a sum of consecutive naturals, namely, 416332560 + 416332561.

It is an arithmetic number, because the mean of its divisors is an integer number (416332561).

Almost surely, 2^832665121 is an apocalyptic number.

It is an amenable number.

832665121 is a deficient number, since it is larger than the sum of its proper divisors (1).

832665121 is an equidigital number, since it uses as much as digits as its factorization.

832665121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 832665121 is about 28855.9373613127. The cubic root of 832665121 is about 940.7844368700.

The spelling of 832665121 in words is "eight hundred thirty-two million, six hundred sixty-five thousand, one hundred twenty-one".