421333130 has 8 divisors (see below), whose sum is σ = 758399652. Its totient is φ = 168533248.

The previous prime is 421333127. The next prime is 421333169. The reversal of 421333130 is 31333124.

It can be written as a sum of positive squares in 2 ways, for example, as 397723249 + 23609881 = 19943^2 + 4859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21066647 + ... + 21066666.

Almost surely, 2^421333130 is an apocalyptic number.

421333130 is a deficient number, since it is larger than the sum of its proper divisors (337066522).

421333130 is a wasteful number, since it uses less digits than its factorization.

421333130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42133320.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 421333130 is about 20526.4008048172. The cubic root of 421333130 is about 749.6787542731.

Adding to 421333130 its reverse (31333124), we get a palindrome (452666254).

The spelling of 421333130 in words is "four hundred twenty-one million, three hundred thirty-three thousand, one hundred thirty".