421133210 has 16 divisors (see below), whose sum is σ = 758971296. Its totient is φ = 168246288.

The previous prime is 421133183. The next prime is 421133213. The reversal of 421133210 is 12331124.

It is not an unprimeable number, because it can be changed into a prime (421133213) 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, 17192 + ... + 33731.

It is an arithmetic number, because the mean of its divisors is an integer number (47435706).

Almost surely, 2^421133210 is an apocalyptic number.

421133210 is a deficient number, since it is larger than the sum of its proper divisors (337838086).

421133210 is a wasteful number, since it uses less digits than its factorization.

421133210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51757.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 421133210 is about 20521.5304010203. The cubic root of 421133210 is about 749.5601628489.

Adding to 421133210 its reverse (12331124), we get a palindrome (433464334).

The spelling of 421133210 in words is "four hundred twenty-one million, one hundred thirty-three thousand, two hundred ten".