411121369 has 2 divisors, whose sum is σ = 411121370. Its totient is φ = 411121368.

The previous prime is 411121367. The next prime is 411121423. The reversal of 411121369 is 963121114.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407838025 + 3283344 = 20195^2 + 1812^2 .

It is a cyclic number.

It is not a de Polignac number, because 411121369 - 2¹ = 411121367 is a prime.

It is a super-2 number, since 2×411121369² = 338041560096868322, which contains 22 as substring.

Together with 411121367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (411121367) 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, 205560684 + 205560685.

It is an arithmetic number, because the mean of its divisors is an integer number (205560685).

Almost surely, 2^411121369 is an apocalyptic number.

It is an amenable number.

411121369 is a deficient number, since it is larger than the sum of its proper divisors (1).

411121369 is an equidigital number, since it uses as much as digits as its factorization.

411121369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 28.

The square root of 411121369 is about 20276.1280573979. The cubic root of 411121369 is about 743.5725525027.

The spelling of 411121369 in words is "four hundred eleven million, one hundred twenty-one thousand, three hundred sixty-nine".