421130001 has 8 divisors (see below), whose sum is σ = 594536544. Its totient is φ = 264238400.

The previous prime is 421129999. The next prime is 421130027. The reversal of 421130001 is 100031124.

It is a happy number.

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 421130001 - 2¹ = 421129999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421130081) 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, 4128675 + ... + 4128776.

It is an arithmetic number, because the mean of its divisors is an integer number (74317068).

Almost surely, 2^421130001 is an apocalyptic number.

It is an amenable number.

421130001 is a deficient number, since it is larger than the sum of its proper divisors (173406543).

421130001 is a wasteful number, since it uses less digits than its factorization.

421130001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8257471.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 421130001 is about 20521.4522146947. The cubic root of 421130001 is about 749.5582589820.

Adding to 421130001 its reverse (100031124), we get a palindrome (521161125).

The spelling of 421130001 in words is "four hundred twenty-one million, one hundred thirty thousand, one".