420112103 has 2 divisors, whose sum is σ = 420112104. Its totient is φ = 420112102.

The previous prime is 420112087. The next prime is 420112123. The reversal of 420112103 is 301211024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420112103 - 2⁴ = 420112087 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420112123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210056051 + 210056052.

It is an arithmetic number, because the mean of its divisors is an integer number (210056052).

Almost surely, 2^420112103 is an apocalyptic number.

420112103 is a deficient number, since it is larger than the sum of its proper divisors (1).

420112103 is an equidigital number, since it uses as much as digits as its factorization.

420112103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 420112103 is about 20496.6363825873. The cubic root of 420112103 is about 748.9538617678.

Adding to 420112103 its reverse (301211024), we get a palindrome (721323127).

The spelling of 420112103 in words is "four hundred twenty million, one hundred twelve thousand, one hundred three".