32121140 has 24 divisors (see below), whose sum is σ = 68464032. Its totient is φ = 12656160.

The previous prime is 32121121. The next prime is 32121161. The reversal of 32121140 is 4112123.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10646 + ... + 13325.

It is an arithmetic number, because the mean of its divisors is an integer number (2852668).

Almost surely, 2^32121140 is an apocalyptic number.

It is an amenable number.

32121140 is an abundant number, since it is smaller than the sum of its proper divisors (36342892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32121140 is a wasteful number, since it uses less digits than its factorization.

32121140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24047 (or 24045 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 32121140 is about 5667.5514995455. The cubic root of 32121140 is about 317.8803262619.

Adding to 32121140 its reverse (4112123), we get a palindrome (36233263).

The spelling of 32121140 in words is "thirty-two million, one hundred twenty-one thousand, one hundred forty".