421300103 has 16 divisors (see below), whose sum is σ = 511689024. Its totient is φ = 338618880.

The previous prime is 421300097. The next prime is 421300109. The reversal of 421300103 is 301003124.

It is an interprime number because it is at equal distance from previous prime (421300097) and next prime (421300109).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421300103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421300109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26573 + ... + 39353.

It is an arithmetic number, because the mean of its divisors is an integer number (31980564).

Almost surely, 2^421300103 is an apocalyptic number.

421300103 is a deficient number, since it is larger than the sum of its proper divisors (90388921).

421300103 is a wasteful number, since it uses less digits than its factorization.

421300103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13082.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 421300103 is about 20525.5962885369. The cubic root of 421300103 is about 749.6591654288.

Adding to 421300103 its reverse (301003124), we get a palindrome (722303227).

The spelling of 421300103 in words is "four hundred twenty-one million, three hundred thousand, one hundred three".