421230 has 32 divisors (see below), whose sum is σ = 1065600. Its totient is φ = 106272.

The previous prime is 421207. The next prime is 421241. The reversal of 421230 is 32124.

421230 = T₂₀₁ + T₂₀₂ + ... + T₂₁₉.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 421230.

It is an unprimeable number.

421230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201 + ... + 939.

It is an arithmetic number, because the mean of its divisors is an integer number (33300).

2⁴²¹²³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532800).

421230 is an abundant number, since it is smaller than the sum of its proper divisors (644370).

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

421230 is a wasteful number, since it uses less digits than its factorization.

421230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 421230 is about 649.0223416802. The cubic root of 421230 is about 74.9617582820.

Adding to 421230 its reverse (32124), we get a palindrome (453354).

The spelling of 421230 in words is "four hundred twenty-one thousand, two hundred thirty".