32121361 has 4 divisors (see below), whose sum is σ = 32256000. Its totient is φ = 31986724.

The previous prime is 32121337. The next prime is 32121367. The reversal of 32121361 is 16312123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32121361 - 2⁵ = 32121329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32121367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66961 + ... + 67438.

It is an arithmetic number, because the mean of its divisors is an integer number (8064000).

Almost surely, 2^32121361 is an apocalyptic number.

It is an amenable number.

32121361 is a deficient number, since it is larger than the sum of its proper divisors (134639).

32121361 is a wasteful number, since it uses less digits than its factorization.

32121361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134638.

The product of its digits is 216, while the sum is 19.

The square root of 32121361 is about 5667.5709964675. The cubic root of 32121361 is about 317.8810552874.

Adding to 32121361 its reverse (16312123), we get a palindrome (48433484).

The spelling of 32121361 in words is "thirty-two million, one hundred twenty-one thousand, three hundred sixty-one".