105303128 has 16 divisors (see below), whose sum is σ = 225649680. Its totient is φ = 45129888.

The previous prime is 105303127. The next prime is 105303139. The reversal of 105303128 is 821303501.

It is a super-2 number, since 2×105303128² = 22177497533168768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105303127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940151 + ... + 940262.

It is an arithmetic number, because the mean of its divisors is an integer number (14103105).

Almost surely, 2^105303128 is an apocalyptic number.

It is an amenable number.

105303128 is an abundant number, since it is smaller than the sum of its proper divisors (120346552).

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

105303128 is a wasteful number, since it uses less digits than its factorization.

105303128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1880426 (or 1880422 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 105303128 is about 10261.7312379540. The cubic root of 105303128 is about 472.2229507860. Note that the first 3 decimals are identical.

Adding to 105303128 its reverse (821303501), we get a palindrome (926606629).

The spelling of 105303128 in words is "one hundred five million, three hundred three thousand, one hundred twenty-eight".