105128230 has 16 divisors (see below), whose sum is σ = 189602064. Its totient is φ = 41968800.

The previous prime is 105128207. The next prime is 105128267. The reversal of 105128230 is 32821501.

It is a super-2 number, since 2×105128230² = 22103889485865800, 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 7 ways as a sum of consecutive naturals, for example, 4821 + ... + 15280.

It is an arithmetic number, because the mean of its divisors is an integer number (11850129).

Almost surely, 2^105128230 is an apocalyptic number.

105128230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105128230 is a deficient number, since it is larger than the sum of its proper divisors (84473834).

105128230 is a wasteful number, since it uses less digits than its factorization.

105128230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20631.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 105128230 is about 10253.2058401263. The cubic root of 105128230 is about 471.9613674931.

Adding to 105128230 its reverse (32821501), we get a palindrome (137949731).

The spelling of 105128230 in words is "one hundred five million, one hundred twenty-eight thousand, two hundred thirty".