421320201 has 8 divisors (see below), whose sum is σ = 568528800. Its totient is φ = 277495872.

The previous prime is 421320167. The next prime is 421320203. The reversal of 421320201 is 102023124.

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

It is not a de Polignac number, because 421320201 - 2¹¹ = 421318153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421320203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845776 + ... + 846273.

It is an arithmetic number, because the mean of its divisors is an integer number (71066100).

Almost surely, 2^421320201 is an apocalyptic number.

It is an amenable number.

421320201 is a deficient number, since it is larger than the sum of its proper divisors (147208599).

421320201 is a wasteful number, since it uses less digits than its factorization.

421320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692135.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 421320201 is about 20526.0858665260. The cubic root of 421320201 is about 749.6710859974.

Adding to 421320201 its reverse (102023124), we get a palindrome (523343325).

The spelling of 421320201 in words is "four hundred twenty-one million, three hundred twenty thousand, two hundred one".