421004201 has 8 divisors (see below), whose sum is σ = 448012800. Its totient is φ = 394244928.

The previous prime is 421004183. The next prime is 421004203. The reversal of 421004201 is 102400124.

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 421004201 - 2²⁶ = 353895337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421004203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58841 + ... + 65606.

It is an arithmetic number, because the mean of its divisors is an integer number (56001600).

Almost surely, 2^421004201 is an apocalyptic number.

It is an amenable number.

421004201 is a deficient number, since it is larger than the sum of its proper divisors (27008599).

421004201 is a wasteful number, since it uses less digits than its factorization.

421004201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124663.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 421004201 is about 20518.3869005339. The cubic root of 421004201 is about 749.4836155073.

Adding to 421004201 its reverse (102400124), we get a palindrome (523404325).

The spelling of 421004201 in words is "four hundred twenty-one million, four thousand, two hundred one".