421024201 has 16 divisors (see below), whose sum is σ = 461462400. Its totient is φ = 381794688.

The previous prime is 421024199. The next prime is 421024207. The reversal of 421024201 is 102420124.

It is a cyclic number.

It is not a de Polignac number, because 421024201 - 2¹ = 421024199 is a prime.

It is a super-2 number, since 2×421024201² = 354522755655376802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421024207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192130 + ... + 194308.

It is an arithmetic number, because the mean of its divisors is an integer number (28841400).

Almost surely, 2^421024201 is an apocalyptic number.

It is an amenable number.

421024201 is a deficient number, since it is larger than the sum of its proper divisors (40438199).

421024201 is a wasteful number, since it uses less digits than its factorization.

421024201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 421024201 is about 20518.8742624931. The cubic root of 421024201 is about 749.4954835084.

Adding to 421024201 its reverse (102420124), we get a palindrome (523444325).

The spelling of 421024201 in words is "four hundred twenty-one million, twenty-four thousand, two hundred one".