421011232 has 24 divisors (see below), whose sum is σ = 832107276. Its totient is φ = 209682432.

The previous prime is 421011229. The next prime is 421011257. The reversal of 421011232 is 232110124.

It can be written as a sum of positive squares in 2 ways, for example, as 420906256 + 104976 = 20516^2 + 324^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 17373 + ... + 33820.

Almost surely, 2^421011232 is an apocalyptic number.

It is an amenable number.

421011232 is a deficient number, since it is larger than the sum of its proper divisors (411096044).

421011232 is a wasteful number, since it uses less digits than its factorization.

421011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51460 (or 51452 counting only the distinct ones).

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

The square root of 421011232 is about 20518.5582339501. The cubic root of 421011232 is about 749.4877877459.

Adding to 421011232 its reverse (232110124), we get a palindrome (653121356).

The spelling of 421011232 in words is "four hundred twenty-one million, eleven thousand, two hundred thirty-two".