421134100 has 36 divisors (see below), whose sum is σ = 933315264. Its totient is φ = 164867680.

The previous prime is 421134089. The next prime is 421134113. The reversal of 421134100 is 1431124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40102 + ... + 49501.

It is an arithmetic number, because the mean of its divisors is an integer number (25925424).

Almost surely, 2^421134100 is an apocalyptic number.

It is an amenable number.

421134100 is an abundant number, since it is smaller than the sum of its proper divisors (512181164).

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

421134100 is a wasteful number, since it uses less digits than its factorization.

421134100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89664 (or 89657 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 421134100 is about 20521.5520855514. The cubic root of 421134100 is about 749.5606908750.

Adding to 421134100 its reverse (1431124), we get a palindrome (422565224).

The spelling of 421134100 in words is "four hundred twenty-one million, one hundred thirty-four thousand, one hundred".