421134 has 32 divisors (see below), whose sum is σ = 992256. Its totient is φ = 116640.

The previous prime is 421133. The next prime is 421147. The reversal of 421134 is 431124.

421134 = T₁₃₂ + T₁₃₃ + ... + T₁₆₈.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1419 + ... + 1689.

It is an arithmetic number, because the mean of its divisors is an integer number (31008).

2⁴²¹¹³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496128).

421134 is an abundant number, since it is smaller than the sum of its proper divisors (571122).

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

421134 is a wasteful number, since it uses less digits than its factorization.

421134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320.

The product of its digits is 96, while the sum is 15.

The square root of 421134 is about 648.9483800735. The cubic root of 421134 is about 74.9560631546.

Adding to 421134 its reverse (431124), we get a palindrome (852258).

It can be divided in two parts, 421 and 134, that added together give a palindrome (555).

The spelling of 421134 in words is "four hundred twenty-one thousand, one hundred thirty-four".