32112421 has 16 divisors (see below), whose sum is σ = 36080640. Its totient is φ = 28330480.

The previous prime is 32112403. The next prime is 32112427. The reversal of 32112421 is 12421123.

It is a cyclic number.

It is not a de Polignac number, because 32112421 - 2⁹ = 32111909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32112395 and 32112404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32112427) 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 15 ways as a sum of consecutive naturals, for example, 92370 + ... + 92716.

It is an arithmetic number, because the mean of its divisors is an integer number (2255040).

Almost surely, 2^32112421 is an apocalyptic number.

It is an amenable number.

32112421 is a deficient number, since it is larger than the sum of its proper divisors (3968219).

32112421 is a wasteful number, since it uses less digits than its factorization.

32112421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584.

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

The square root of 32112421 is about 5666.7822439194. The cubic root of 32112421 is about 317.8515617226.

Adding to 32112421 its reverse (12421123), we get a palindrome (44533544).

The spelling of 32112421 in words is "thirty-two million, one hundred twelve thousand, four hundred twenty-one".