105308128 has 12 divisors (see below), whose sum is σ = 207325440. Its totient is φ = 52654048.

The previous prime is 105308117. The next prime is 105308129. The reversal of 105308128 is 821803501.

It is a super-2 number, since 2×105308128² = 22179603645728768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105308096 and 105308105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105308129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1645408 + ... + 1645471.

It is an arithmetic number, because the mean of its divisors is an integer number (17277120).

Almost surely, 2^105308128 is an apocalyptic number.

It is an amenable number.

105308128 is a deficient number, since it is larger than the sum of its proper divisors (102017312).

105308128 is an equidigital number, since it uses as much as digits as its factorization.

105308128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290889 (or 3290881 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 105308128 is about 10261.9748586712. The cubic root of 105308128 is about 472.2304246931.

The spelling of 105308128 in words is "one hundred five million, three hundred eight thousand, one hundred twenty-eight".