412121441 has 2 divisors, whose sum is σ = 412121442. Its totient is φ = 412121440.

The previous prime is 412121401. The next prime is 412121443. The reversal of 412121441 is 144121214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411237841 + 883600 = 20279^2 + 940^2 .

It is a cyclic number.

It is not a de Polignac number, because 412121441 - 2⁶ = 412121377 is a prime.

It is a Sophie Germain prime.

Together with 412121443, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (412121443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206060720 + 206060721.

It is an arithmetic number, because the mean of its divisors is an integer number (206060721).

Almost surely, 2^412121441 is an apocalyptic number.

It is an amenable number.

412121441 is a deficient number, since it is larger than the sum of its proper divisors (1).

412121441 is an equidigital number, since it uses as much as digits as its factorization.

412121441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 256, while the sum is 20.

The square root of 412121441 is about 20300.7743940964. The cubic root of 412121441 is about 744.1749893099.

Adding to 412121441 its reverse (144121214), we get a palindrome (556242655).

The spelling of 412121441 in words is "four hundred twelve million, one hundred twenty-one thousand, four hundred forty-one".