32120045 has 16 divisors (see below), whose sum is σ = 39388032. Its totient is φ = 25139520.

The previous prime is 32120041. The next prime is 32120047. The reversal of 32120045 is 54002123.

It is not a de Polignac number, because 32120045 - 2² = 32120041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61154 + ... + 61676.

It is an arithmetic number, because the mean of its divisors is an integer number (2461752).

Almost surely, 2^32120045 is an apocalyptic number.

It is an amenable number.

32120045 is a deficient number, since it is larger than the sum of its proper divisors (7267987).

32120045 is a wasteful number, since it uses less digits than its factorization.

32120045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 32120045 is about 5667.4548961593. The cubic root of 32120045 is about 317.8767140726.

Adding to 32120045 its reverse (54002123), we get a palindrome (86122168).

The spelling of 32120045 in words is "thirty-two million, one hundred twenty thousand, forty-five".