421413103 has 4 divisors (see below), whose sum is σ = 443592760. Its totient is φ = 399233448.

The previous prime is 421413089. The next prime is 421413121. The reversal of 421413103 is 301314124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-421413103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 22179637 = 421413103 / (4 + 2 + 1 + 4 + 1 + 3 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421413133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11089800 + ... + 11089837.

It is an arithmetic number, because the mean of its divisors is an integer number (110898190).

Almost surely, 2^421413103 is an apocalyptic number.

421413103 is a deficient number, since it is larger than the sum of its proper divisors (22179657).

421413103 is a wasteful number, since it uses less digits than its factorization.

421413103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22179656.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 421413103 is about 20528.3487645743. The cubic root of 421413103 is about 749.7261833040.

Adding to 421413103 its reverse (301314124), we get a palindrome (722727227).

The spelling of 421413103 in words is "four hundred twenty-one million, four hundred thirteen thousand, one hundred three".