32112140 has 24 divisors (see below), whose sum is σ = 70368480. Its totient is φ = 12286208.

The previous prime is 32112127. The next prime is 32112149. The reversal of 32112140 is 4121123.

32112140 = 2000² + 2001² + ... + 2007².

It is not an unprimeable number, because it can be changed into a prime (32112149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34445 + ... + 35364.

It is an arithmetic number, because the mean of its divisors is an integer number (2932020).

Almost surely, 2^32112140 is an apocalyptic number.

It is an amenable number.

32112140 is an abundant number, since it is smaller than the sum of its proper divisors (38256340).

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

32112140 is a wasteful number, since it uses less digits than its factorization.

32112140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69841 (or 69839 counting only the distinct ones).

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

The square root of 32112140 is about 5666.7574502532. The cubic root of 32112140 is about 317.8506345990.

Adding to 32112140 its reverse (4121123), we get a palindrome (36233263).

The spelling of 32112140 in words is "thirty-two million, one hundred twelve thousand, one hundred forty".