3567121 has 2 divisors, whose sum is σ = 3567122. Its totient is φ = 3567120.

The previous prime is 3567119. The next prime is 3567149. The reversal of 3567121 is 1217653.

3567121 = 1335² + 1336².

3567121 is digitally balanced in base 2, 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., 1784896 + 1782225 = 1336^2 + 1335^2 .

It is a cyclic number.

It is not a de Polignac number, because 3567121 - 2¹ = 3567119 is a prime.

Together with 3567119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3567101) 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, 1783560 + 1783561.

It is an arithmetic number, because the mean of its divisors is an integer number (1783561).

Almost surely, 2^3567121 is an apocalyptic number.

3567121 is the 1336-th centered square number.

It is an amenable number.

3567121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3567121 is an equidigital number, since it uses as much as digits as its factorization.

3567121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 25.

The square root of 3567121 is about 1888.6823449167. The cubic root of 3567121 is about 152.7938756762.

The spelling of 3567121 in words is "three million, five hundred sixty-seven thousand, one hundred twenty-one".