420103 has 2 divisors, whose sum is σ = 420104.
Its totient is φ = 420102.
The previous prime is 420097. The next prime is 420149. The reversal of 420103 is 301024.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 420103 - 29 = 419591 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 420103.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (420163) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210051 + 210052.
It is an arithmetic number, because the mean of its divisors is an integer number (210052).
2420103 is an apocalyptic number.
420103 is a deficient number, since it is larger than the sum of its proper divisors (1).
420103 is an equidigital number, since it uses as much as digits as its factorization.
420103 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 420103 is about 648.1535311946.
The cubic root of 420103 is about 74.8948452278.
Adding to 420103 its reverse (301024), we get a palindrome (721127).
The spelling of 420103 in words is "four hundred twenty thousand, one hundred three", and thus it is an iban number.