421130133 has 12 divisors (see below), whose sum is σ = 627922048. Its totient is φ = 271696680.

The previous prime is 421130123. The next prime is 421130167. The reversal of 421130133 is 331031124.

It is not a de Polignac number, because 421130133 - 2¹⁰ = 421129109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421130113) 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 11 ways as a sum of consecutive naturals, for example, 754435 + ... + 754992.

Almost surely, 2^421130133 is an apocalyptic number.

It is an amenable number.

421130133 is a deficient number, since it is larger than the sum of its proper divisors (206791915).

421130133 is a wasteful number, since it uses less digits than its factorization.

421130133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509464 (or 1509461 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 421130133 is about 20521.4554308412. The cubic root of 421130133 is about 749.5583372965.

Adding to 421130133 its reverse (331031124), we get a palindrome (752161257).

Subtracting from 421130133 its reverse (331031124), we obtain a palindrome (90099009).

The spelling of 421130133 in words is "four hundred twenty-one million, one hundred thirty thousand, one hundred thirty-three".