5121167128 has 64 divisors (see below), whose sum is σ = 12601670400. Its totient is φ = 1890241920.

The previous prime is 5121167123. The next prime is 5121167153. The reversal of 5121167128 is 8217611215.

It is a junction number, because it is equal to n+sod(n) for n = 5121167093 and 5121167102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121167123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207075 + ... + 230482.

It is an arithmetic number, because the mean of its divisors is an integer number (196901100).

Almost surely, 2^5121167128 is an apocalyptic number.

It is an amenable number.

5121167128 is an abundant number, since it is smaller than the sum of its proper divisors (7480503272).

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

5121167128 is a wasteful number, since it uses less digits than its factorization.

5121167128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437600 (or 437596 counting only the distinct ones).

The product of its digits is 6720, while the sum is 34.

The square root of 5121167128 is about 71562.3303701046. The cubic root of 5121167128 is about 1723.6787056719.

The spelling of 5121167128 in words is "five billion, one hundred twenty-one million, one hundred sixty-seven thousand, one hundred twenty-eight".