514420121 has 2 divisors, whose sum is σ = 514420122. Its totient is φ = 514420120.

The previous prime is 514420099. The next prime is 514420141. The reversal of 514420121 is 121024415.

It is a happy number.

It is an a-pointer prime, because the next prime (514420141) can be obtained adding 514420121 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469328896 + 45091225 = 21664^2 + 6715^2 .

It is a cyclic number.

It is not a de Polignac number, because 514420121 - 2¹⁸ = 514157977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 514420093 and 514420102.

It is not a weakly prime, because it can be changed into another prime (514420141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257210060 + 257210061.

It is an arithmetic number, because the mean of its divisors is an integer number (257210061).

Almost surely, 2^514420121 is an apocalyptic number.

It is an amenable number.

514420121 is a deficient number, since it is larger than the sum of its proper divisors (1).

514420121 is an equidigital number, since it uses as much as digits as its factorization.

514420121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 514420121 is about 22680.8315764656. The cubic root of 514420121 is about 801.2584988751.

Adding to 514420121 its reverse (121024415), we get a palindrome (635444536).

The spelling of 514420121 in words is "five hundred fourteen million, four hundred twenty thousand, one hundred twenty-one".