6471121 has 2 divisors, whose sum is σ = 6471122. Its totient is φ = 6471120.

The previous prime is 6471107. The next prime is 6471131. The reversal of 6471121 is 1211746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4752400 + 1718721 = 2180^2 + 1311^2 .

It is a cyclic number.

It is not a de Polignac number, because 6471121 - 2²¹ = 4373969 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6471092 and 6471101.

It is not a weakly prime, because it can be changed into another prime (6471131) 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, 3235560 + 3235561.

It is an arithmetic number, because the mean of its divisors is an integer number (3235561).

Almost surely, 2^6471121 is an apocalyptic number.

It is an amenable number.

6471121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6471121 is an equidigital number, since it uses as much as digits as its factorization.

6471121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 22.

The square root of 6471121 is about 2543.8398141392. The cubic root of 6471121 is about 186.3487598386.

Adding to 6471121 its reverse (1211746), we get a palindrome (7682867).

The spelling of 6471121 in words is "six million, four hundred seventy-one thousand, one hundred twenty-one".