6261121 has 2 divisors, whose sum is σ = 6261122. Its totient is φ = 6261120.

The previous prime is 6261119. The next prime is 6261173. The reversal of 6261121 is 1211626.

6261121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4906225 + 1354896 = 2215^2 + 1164^2 .

It is a cyclic number.

It is not a de Polignac number, because 6261121 - 2¹ = 6261119 is a prime.

Together with 6261119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6261181) 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, 3130560 + 3130561.

It is an arithmetic number, because the mean of its divisors is an integer number (3130561).

Almost surely, 2^6261121 is an apocalyptic number.

It is an amenable number.

6261121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6261121 is an equidigital number, since it uses as much as digits as its factorization.

6261121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 19.

The square root of 6261121 is about 2502.2232114662. The cubic root of 6261121 is about 184.3107638336.

Adding to 6261121 its reverse (1211626), we get a palindrome (7472747).

The spelling of 6261121 in words is "six million, two hundred sixty-one thousand, one hundred twenty-one".