5120402120 has 16 divisors (see below), whose sum is σ = 11520904860. Its totient is φ = 2048160832.

The previous prime is 5120402113. The next prime is 5120402123. The reversal of 5120402120 is 212040215.

It can be written as a sum of positive squares in 2 ways, for example, as 4234625476 + 885776644 = 65074^2 + 29762^2 .

It is not an unprimeable number, because it can be changed into a prime (5120402123) 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 3 ways as a sum of consecutive naturals, for example, 64004987 + ... + 64005066.

Almost surely, 2^5120402120 is an apocalyptic number.

It is an amenable number.

5120402120 is an abundant number, since it is smaller than the sum of its proper divisors (6400502740).

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

5120402120 is a wasteful number, since it uses less digits than its factorization.

5120402120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128010064 (or 128010060 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 5120402120 is about 71556.9851237460. The cubic root of 5120402120 is about 1723.5928727858.

Adding to 5120402120 its reverse (212040215), we get a palindrome (5332442335).

The spelling of 5120402120 in words is "five billion, one hundred twenty million, four hundred two thousand, one hundred twenty".