32120642 has 4 divisors (see below), whose sum is σ = 48180966. Its totient is φ = 16060320.

The previous prime is 32120623. The next prime is 32120663. The reversal of 32120642 is 24602123.

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

It can be written as a sum of positive squares in only one way, i.e., 30349081 + 1771561 = 5509^2 + 1331^2 .

It is a super-3 number, since 3×32120642³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8030159 + ... + 8030162.

Almost surely, 2^32120642 is an apocalyptic number.

32120642 is a deficient number, since it is larger than the sum of its proper divisors (16060324).

32120642 is a wasteful number, since it uses less digits than its factorization.

32120642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16060323.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 32120642 is about 5667.5075650589. The cubic root of 32120642 is about 317.8786834681.

Adding to 32120642 its reverse (24602123), we get a palindrome (56722765).

The spelling of 32120642 in words is "thirty-two million, one hundred twenty thousand, six hundred forty-two".