421211132 has 24 divisors (see below), whose sum is σ = 743187312. Its totient is φ = 208880000.

The previous prime is 421211123. The next prime is 421211137. The reversal of 421211132 is 231112124.

It is a self number, because there is not a number n which added to its sum of digits gives 421211132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421211137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281378 + ... + 282870.

It is an arithmetic number, because the mean of its divisors is an integer number (30966138).

Almost surely, 2^421211132 is an apocalyptic number.

It is an amenable number.

421211132 is a deficient number, since it is larger than the sum of its proper divisors (321976180).

421211132 is a wasteful number, since it uses less digits than its factorization.

421211132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029 (or 2027 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 421211132 is about 20523.4288558223. The cubic root of 421211132 is about 749.6063902053.

Adding to 421211132 its reverse (231112124), we get a palindrome (652323256).

The spelling of 421211132 in words is "four hundred twenty-one million, two hundred eleven thousand, one hundred thirty-two".