300421134 has 96 divisors (see below), whose sum is σ = 728888160. Its totient is φ = 88833024.

The previous prime is 300421123. The next prime is 300421151. The reversal of 300421134 is 431124003.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 734322 + ... + 734730.

It is an arithmetic number, because the mean of its divisors is an integer number (7592585).

Almost surely, 2^300421134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 300421134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364444080).

300421134 is an abundant number, since it is smaller than the sum of its proper divisors (428467026).

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

300421134 is a wasteful number, since it uses less digits than its factorization.

300421134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 543 counting only the distinct ones).

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

The square root of 300421134 is about 17332.6609036235. The cubic root of 300421134 is about 669.7460491493.

Adding to 300421134 its reverse (431124003), we get a palindrome (731545137).

The spelling of 300421134 in words is "three hundred million, four hundred twenty-one thousand, one hundred thirty-four".