103159128 has 96 divisors (see below), whose sum is σ = 278510400. Its totient is φ = 31830528.

The previous prime is 103159109. The next prime is 103159139. The reversal of 103159128 is 821951301.

It is a junction number, because it is equal to n+sod(n) for n = 103159095 and 103159104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 742083 + ... + 742221.

It is an arithmetic number, because the mean of its divisors is an integer number (2901150).

Almost surely, 2^103159128 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 103159128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139255200).

103159128 is an abundant number, since it is smaller than the sum of its proper divisors (175351272).

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

103159128 is a wasteful number, since it uses less digits than its factorization.

103159128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 103159128 is about 10156.7282133569. The cubic root of 103159128 is about 468.9960886680.

The spelling of 103159128 in words is "one hundred three million, one hundred fifty-nine thousand, one hundred twenty-eight".