105711424 has 84 divisors (see below), whose sum is σ = 262891524. Its totient is φ = 41803776.

The previous prime is 105711379. The next prime is 105711439. The reversal of 105711424 is 424117501.

It can be written as a sum of positive squares in 2 ways, for example, as 37945600 + 67765824 = 6160^2 + 8232^2 .

It is a super-2 number, since 2×105711424² = 22349810328215552, 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 11 ways as a sum of consecutive naturals, for example, 39472 + ... + 42064.

It is an arithmetic number, because the mean of its divisors is an integer number (3129661).

Almost surely, 2^105711424 is an apocalyptic number.

105711424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105711424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131445762).

105711424 is an abundant number, since it is smaller than the sum of its proper divisors (157180100).

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

105711424 is a wasteful number, since it uses less digits than its factorization.

105711424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632 (or 2615 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 105711424 is about 10281.6061002161. The cubic root of 105711424 is about 472.8324866043.

Adding to 105711424 its reverse (424117501), we get a palindrome (529828925).

The spelling of 105711424 in words is "one hundred five million, seven hundred eleven thousand, four hundred twenty-four".