32040121 has 4 divisors (see below), whose sum is σ = 33924852. Its totient is φ = 30155392.

The previous prime is 32040097. The next prime is 32040131. The reversal of 32040121 is 12104023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12104023 = 313 ⋅38671.

It can be written as a sum of positive squares in 2 ways, for example, as 27248400 + 4791721 = 5220^2 + 2189^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32040121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32040131) 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, 942340 + ... + 942373.

It is an arithmetic number, because the mean of its divisors is an integer number (8481213).

Almost surely, 2^32040121 is an apocalyptic number.

It is an amenable number.

32040121 is a deficient number, since it is larger than the sum of its proper divisors (1884731).

32040121 is a wasteful number, since it uses less digits than its factorization.

32040121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884730.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 32040121 is about 5660.3993675358. The cubic root of 32040121 is about 317.6128385585.

Adding to 32040121 its reverse (12104023), we get a palindrome (44144144).

The spelling of 32040121 in words is "thirty-two million, forty thousand, one hundred twenty-one".