421430130 has 96 divisors (see below), whose sum is σ = 1209012480. Its totient is φ = 100995840.

The previous prime is 421430077. The next prime is 421430131. The reversal of 421430130 is 31034124.

421430130 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (421430131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85719 + ... + 90501.

It is an arithmetic number, because the mean of its divisors is an integer number (12593880).

Almost surely, 2^421430130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421430130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604506240).

421430130 is an abundant number, since it is smaller than the sum of its proper divisors (787582350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421430130 is a wasteful number, since it uses less digits than its factorization.

421430130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4896 (or 4893 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 421430130 is about 20528.7634795669. The cubic root of 421430130 is about 749.7362806136.

Adding to 421430130 its reverse (31034124), we get a palindrome (452464254).

The spelling of 421430130 in words is "four hundred twenty-one million, four hundred thirty thousand, one hundred thirty".