421101030 has 96 divisors (see below), whose sum is σ = 1179074304. Its totient is φ = 94267008.

The previous prime is 421101029. The next prime is 421101041. The reversal of 421101030 is 30101124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 421100997 and 421101015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2434024 + ... + 2434196.

It is an arithmetic number, because the mean of its divisors is an integer number (12282024).

Almost surely, 2^421101030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421101030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589537152).

421101030 is an abundant number, since it is smaller than the sum of its proper divisors (757973274).

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

421101030 is a wasteful number, since it uses less digits than its factorization.

421101030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 257 counting only the distinct ones).

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

The square root of 421101030 is about 20520.7463314569. The cubic root of 421101030 is about 749.5410703465.

Adding to 421101030 its reverse (30101124), we get a palindrome (451202154).

The spelling of 421101030 in words is "four hundred twenty-one million, one hundred one thousand, thirty".