64120120 has 32 divisors (see below), whose sum is σ = 144789120. Its totient is φ = 25555840.

The previous prime is 64120099. The next prime is 64120129. The reversal of 64120120 is 2102146.

64120120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64120120² = 8222779577628800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64120094 and 64120103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64120129) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 8985 + ... + 14455.

It is an arithmetic number, because the mean of its divisors is an integer number (4524660).

Almost surely, 2^64120120 is an apocalyptic number.

It is an amenable number.

64120120 is an abundant number, since it is smaller than the sum of its proper divisors (80669000).

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

64120120 is a wasteful number, since it uses less digits than its factorization.

64120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775 (or 5771 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 64120120 is about 8007.5039806422. The cubic root of 64120120 is about 400.2500936004.

Adding to 64120120 its reverse (2102146), we get a palindrome (66222266).

The spelling of 64120120 in words is "sixty-four million, one hundred twenty thousand, one hundred twenty".