421360103 has 2 divisors, whose sum is σ = 421360104. Its totient is φ = 421360102.

The previous prime is 421360081. The next prime is 421360127. The reversal of 421360103 is 301063124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421360103 - 2⁸ = 421359847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421360133) 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, 210680051 + 210680052.

It is an arithmetic number, because the mean of its divisors is an integer number (210680052).

Almost surely, 2^421360103 is an apocalyptic number.

421360103 is a deficient number, since it is larger than the sum of its proper divisors (1).

421360103 is an equidigital number, since it uses as much as digits as its factorization.

421360103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 421360103 is about 20527.0578261961. The cubic root of 421360103 is about 749.6947516333.

The spelling of 421360103 in words is "four hundred twenty-one million, three hundred sixty thousand, one hundred three".