421131232 has 12 divisors (see below), whose sum is σ = 829102176. Its totient is φ = 210565600.

The previous prime is 421131209. The next prime is 421131253. The reversal of 421131232 is 232131124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6580144 + ... + 6580207.

It is an arithmetic number, because the mean of its divisors is an integer number (69091848).

Almost surely, 2^421131232 is an apocalyptic number.

It is an amenable number.

421131232 is a deficient number, since it is larger than the sum of its proper divisors (407970944).

421131232 is a wasteful number, since it uses less digits than its factorization.

421131232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13160361 (or 13160353 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 421131232 is about 20521.4822076769. The cubic root of 421131232 is about 749.5589893229.

Adding to 421131232 its reverse (232131124), we get a palindrome (653262356).

The spelling of 421131232 in words is "four hundred twenty-one million, one hundred thirty-one thousand, two hundred thirty-two".