421369103 has 4 divisors (see below), whose sum is σ = 425307240. Its totient is φ = 417430968.

The previous prime is 421369093. The next prime is 421369121. The reversal of 421369103 is 301963124.

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

It is not a de Polignac number, because 421369103 - 2⁴ = 421369087 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 (421369603) 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, 1968908 + ... + 1969121.

It is an arithmetic number, because the mean of its divisors is an integer number (106326810).

Almost surely, 2^421369103 is an apocalyptic number.

421369103 is a deficient number, since it is larger than the sum of its proper divisors (3938137).

421369103 is a wasteful number, since it uses less digits than its factorization.

421369103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938136.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 421369103 is about 20527.2770478697. The cubic root of 421369103 is about 749.7000892726.

The spelling of 421369103 in words is "four hundred twenty-one million, three hundred sixty-nine thousand, one hundred three".