421134150 has 24 divisors (see below), whose sum is σ = 1044413064. Its totient is φ = 112302400.

The previous prime is 421134139. The next prime is 421134167. The reversal of 421134150 is 51431124.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1403631 + ... + 1403930.

It is an arithmetic number, because the mean of its divisors is an integer number (43517211).

Almost surely, 2^421134150 is an apocalyptic number.

421134150 is an abundant number, since it is smaller than the sum of its proper divisors (623278914).

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

421134150 is a wasteful number, since it uses less digits than its factorization.

421134150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807576 (or 2807571 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 421134150 is about 20521.5533037828. The cubic root of 421134150 is about 749.5607205394.

Adding to 421134150 its reverse (51431124), we get a palindrome (472565274).

The spelling of 421134150 in words is "four hundred twenty-one million, one hundred thirty-four thousand, one hundred fifty".