105321234 has 16 divisors (see below), whose sum is σ = 210756672. Its totient is φ = 35088048.

The previous prime is 105321193. The next prime is 105321247. The reversal of 105321234 is 432123501.

It is a super-2 number, since 2×105321234² = 22185124662565512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105321234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11512 + ... + 18524.

It is an arithmetic number, because the mean of its divisors is an integer number (13172292).

Almost surely, 2^105321234 is an apocalyptic number.

105321234 is an abundant number, since it is smaller than the sum of its proper divisors (105435438).

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

105321234 is a wasteful number, since it uses less digits than its factorization.

105321234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 105321234 is about 10262.6134098484. The cubic root of 105321234 is about 472.2500141757.

Adding to 105321234 its reverse (432123501), we get a palindrome (537444735).

The spelling of 105321234 in words is "one hundred five million, three hundred twenty-one thousand, two hundred thirty-four".