105111230 has 32 divisors (see below), whose sum is σ = 227612160. Its totient is φ = 34140960.

The previous prime is 105111217. The next prime is 105111233. The reversal of 105111230 is 32111501.

It is a super-2 number, since 2×105111230² = 22096741344225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105111233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38186 + ... + 40845.

It is an arithmetic number, because the mean of its divisors is an integer number (7112880).

Almost surely, 2^105111230 is an apocalyptic number.

105111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105111230 is an abundant number, since it is smaller than the sum of its proper divisors (122500930).

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

105111230 is a wasteful number, since it uses less digits than its factorization.

105111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79064.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 105111230 is about 10252.3767976016. The cubic root of 105111230 is about 471.9359262588.

Adding to 105111230 its reverse (32111501), we get a palindrome (137222731).

The spelling of 105111230 in words is "one hundred five million, one hundred eleven thousand, two hundred thirty".