105511230 has 96 divisors (see below), whose sum is σ = 301343328. Its totient is φ = 25401600.

The previous prime is 105511229. The next prime is 105511247. The reversal of 105511230 is 32115501.

It is a super-2 number, since 2×105511230² = 22265239312225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194760 + ... + 195300.

It is an arithmetic number, because the mean of its divisors is an integer number (3138993).

Almost surely, 2^105511230 is an apocalyptic number.

105511230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 105511230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150671664).

105511230 is an abundant number, since it is smaller than the sum of its proper divisors (195832098).

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

105511230 is a wasteful number, since it uses less digits than its factorization.

105511230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 105511230 is about 10271.8659453869. The cubic root of 105511230 is about 472.5338180213.

Adding to 105511230 its reverse (32115501), we get a palindrome (137626731).

It can be divided in two parts, 10551 and 1230, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 105511230 in words is "one hundred five million, five hundred eleven thousand, two hundred thirty".