105224128 has 28 divisors (see below), whose sum is σ = 219796360. Its totient is φ = 49842432.

The previous prime is 105224107. The next prime is 105224143. The reversal of 105224128 is 821422501.

It is a super-2 number, since 2×105224128² = 22144234226720768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42051 + ... + 44482.

It is an arithmetic number, because the mean of its divisors is an integer number (7849870).

Almost surely, 2^105224128 is an apocalyptic number.

It is an amenable number.

105224128 is an abundant number, since it is smaller than the sum of its proper divisors (114572232).

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

105224128 is an equidigital number, since it uses as much as digits as its factorization.

105224128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86564 (or 86554 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 105224128 is about 10257.8812627170. The cubic root of 105224128 is about 472.1048316418.

Adding to 105224128 its reverse (821422501), we get a palindrome (926646629).

The spelling of 105224128 in words is "one hundred five million, two hundred twenty-four thousand, one hundred twenty-eight".