65432120 has 64 divisors (see below), whose sum is σ = 164052000. Its totient is φ = 23321088.

The previous prime is 65432119. The next prime is 65432153. The reversal of 65432120 is 2123456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12911 + ... + 17249.

Almost surely, 2^65432120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65432120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82026000).

65432120 is an abundant number, since it is smaller than the sum of its proper divisors (98619880).

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

65432120 is a wasteful number, since it uses less digits than its factorization.

65432120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4392 (or 4388 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 65432120 is about 8089.0123006459. The cubic root of 65432120 is about 402.9616015070.

Adding to 65432120 its reverse (2123456), we get a palindrome (67555576).

The spelling of 65432120 in words is "sixty-five million, four hundred thirty-two thousand, one hundred twenty".