421323126 has 32 divisors (see below), whose sum is σ = 963705600. Its totient is φ = 120292896.

The previous prime is 421323109. The next prime is 421323127. The reversal of 421323126 is 621323124.

It is a junction number, because it is equal to n+sod(n) for n = 421323096 and 421323105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421323127) 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, 79285 + ... + 84431.

It is an arithmetic number, because the mean of its divisors is an integer number (30115800).

Almost surely, 2^421323126 is an apocalyptic number.

421323126 is an abundant number, since it is smaller than the sum of its proper divisors (542382474).

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

421323126 is a wasteful number, since it uses less digits than its factorization.

421323126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7108.

The product of its digits is 1728, while the sum is 24.

The square root of 421323126 is about 20526.1571172005. The cubic root of 421323126 is about 749.6728208480.

The spelling of 421323126 in words is "four hundred twenty-one million, three hundred twenty-three thousand, one hundred twenty-six".