32121051 has 4 divisors (see below), whose sum is σ = 42828072. Its totient is φ = 21414032.

The previous prime is 32121029. The next prime is 32121071. The reversal of 32121051 is 15012123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32121051 - 2⁶ = 32120987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32121051.

It is not an unprimeable number, because it can be changed into a prime (32121071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5353506 + ... + 5353511.

It is an arithmetic number, because the mean of its divisors is an integer number (10707018).

Almost surely, 2^32121051 is an apocalyptic number.

32121051 is a deficient number, since it is larger than the sum of its proper divisors (10707021).

32121051 is a wasteful number, since it uses less digits than its factorization.

32121051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10707020.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 32121051 is about 5667.5436478249. The cubic root of 32121051 is about 317.8800326715.

Adding to 32121051 its reverse (15012123), we get a palindrome (47133174).

The spelling of 32121051 in words is "thirty-two million, one hundred twenty-one thousand, fifty-one".