421054203 has 8 divisors (see below), whose sum is σ = 563072848. Its totient is φ = 279869184.

The previous prime is 421054201. The next prime is 421054217. The reversal of 421054203 is 302450124.

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

It is not a de Polignac number, because 421054203 - 2¹ = 421054201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421054203.

It is not an unprimeable number, because it can be changed into a prime (421054201) 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, 207226 + ... + 209247.

It is an arithmetic number, because the mean of its divisors is an integer number (70384106).

Almost surely, 2^421054203 is an apocalyptic number.

421054203 is a deficient number, since it is larger than the sum of its proper divisors (142018645).

421054203 is a wasteful number, since it uses less digits than its factorization.

421054203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416813.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 421054203 is about 20519.6053324619. The cubic root of 421054203 is about 749.5132859921.

The spelling of 421054203 in words is "four hundred twenty-one million, fifty-four thousand, two hundred three".