411622121 has 2 divisors, whose sum is σ = 411622122. Its totient is φ = 411622120.

The previous prime is 411622111. The next prime is 411622163. The reversal of 411622121 is 121226114.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340033600 + 71588521 = 18440^2 + 8461^2 .

It is a cyclic number.

It is not a de Polignac number, because 411622121 - 2¹⁴ = 411605737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 411622093 and 411622102.

It is not a weakly prime, because it can be changed into another prime (411622111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205811060 + 205811061.

It is an arithmetic number, because the mean of its divisors is an integer number (205811061).

Almost surely, 2^411622121 is an apocalyptic number.

It is an amenable number.

411622121 is a deficient number, since it is larger than the sum of its proper divisors (1).

411622121 is an equidigital number, since it uses as much as digits as its factorization.

411622121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 20.

The square root of 411622121 is about 20288.4726137775. The cubic root of 411622121 is about 743.8743241926.

Adding to 411622121 its reverse (121226114), we get a palindrome (532848235).

The spelling of 411622121 in words is "four hundred eleven million, six hundred twenty-two thousand, one hundred twenty-one".