421301133 has 24 divisors (see below), whose sum is σ = 664599936. Its totient is φ = 255052800.

The previous prime is 421301119. The next prime is 421301137. The reversal of 421301133 is 331103124.

It is not a de Polignac number, because 421301133 - 2¹⁰ = 421300109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421301137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120141 + ... + 123597.

It is an arithmetic number, because the mean of its divisors is an integer number (27691664).

Almost surely, 2^421301133 is an apocalyptic number.

It is an amenable number.

421301133 is a deficient number, since it is larger than the sum of its proper divisors (243298803).

421301133 is a wasteful number, since it uses less digits than its factorization.

421301133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705 (or 4702 counting only the distinct ones).

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

The square root of 421301133 is about 20525.6213791447. The cubic root of 421301133 is about 749.6597763538.

Adding to 421301133 its reverse (331103124), we get a palindrome (752404257).

The spelling of 421301133 in words is "four hundred twenty-one million, three hundred one thousand, one hundred thirty-three".