159128100 has 54 divisors (see below), whose sum is σ = 498781010. Its totient is φ = 42433920.

The previous prime is 159128089. The next prime is 159128107. The reversal of 159128100 is 1821951.

It can be written as a sum of positive squares in 3 ways, for example, as 19131876 + 139996224 = 4374^2 + 11832^2 .

It is a super-2 number, since 2×159128100² = 50643504419220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (159128107) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 87505 + ... + 89304.

Almost surely, 2^159128100 is an apocalyptic number.

159128100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159128100 is an abundant number, since it is smaller than the sum of its proper divisors (339652910).

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

159128100 is a wasteful number, since it uses less digits than its factorization.

159128100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176829 (or 176819 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 159128100 is about 12614.5986856499. The cubic root of 159128100 is about 541.8956013208.

The spelling of 159128100 in words is "one hundred fifty-nine million, one hundred twenty-eight thousand, one hundred".