421123134 has 8 divisors (see below), whose sum is σ = 842246280. Its totient is φ = 140374376.

The previous prime is 421123093. The next prime is 421123139. The reversal of 421123134 is 431321124.

It is a sphenic number, since it is the product of 3 distinct primes.

421123134 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 421123134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421123139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35093589 + ... + 35093600.

It is an arithmetic number, because the mean of its divisors is an integer number (105280785).

Almost surely, 2^421123134 is an apocalyptic number.

421123134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

421123134 is a wasteful number, since it uses less digits than its factorization.

421123134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70187194.

The product of its digits is 576, while the sum is 21.

The square root of 421123134 is about 20521.2849012921. The cubic root of 421123134 is about 749.5541848287.

Adding to 421123134 its reverse (431321124), we get a palindrome (852444258).

The spelling of 421123134 in words is "four hundred twenty-one million, one hundred twenty-three thousand, one hundred thirty-four".