421045103 has 8 divisors (see below), whose sum is σ = 446736672. Its totient is φ = 395456256.

The previous prime is 421045067. The next prime is 421045127. The reversal of 421045103 is 301540124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 421045103 - 2¹⁶ = 420979567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421042103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17150 + ... + 33707.

It is an arithmetic number, because the mean of its divisors is an integer number (55842084).

Almost surely, 2^421045103 is an apocalyptic number.

421045103 is a deficient number, since it is larger than the sum of its proper divisors (25691569).

421045103 is a wasteful number, since it uses less digits than its factorization.

421045103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51361.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 421045103 is about 20519.3835921063. The cubic root of 421045103 is about 749.5078863547.

Adding to 421045103 its reverse (301540124), we get a palindrome (722585227).

The spelling of 421045103 in words is "four hundred twenty-one million, forty-five thousand, one hundred three".