421200132 has 24 divisors (see below), whose sum is σ = 1034527200. Its totient is φ = 133010496.

The previous prime is 421200121. The next prime is 421200137. The reversal of 421200132 is 231002124.

It is not an unprimeable number, because it can be changed into a prime (421200137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923457 + ... + 923912.

It is an arithmetic number, because the mean of its divisors is an integer number (43105300).

Almost surely, 2^421200132 is an apocalyptic number.

It is an amenable number.

421200132 is an abundant number, since it is smaller than the sum of its proper divisors (613327068).

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

421200132 is a wasteful number, since it uses less digits than its factorization.

421200132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847395 (or 1847393 counting only the distinct ones).

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

The square root of 421200132 is about 20523.1608676636. The cubic root of 421200132 is about 749.5998647826.

Adding to 421200132 its reverse (231002124), we get a palindrome (652202256).

The spelling of 421200132 in words is "four hundred twenty-one million, two hundred thousand, one hundred thirty-two".