105124503225 has 72 divisors (see below), whose sum is σ = 210973014720. Its totient is φ = 45967447680.

The previous prime is 105124503203. The next prime is 105124503233. The reversal of 105124503225 is 522305421501.

It is not a de Polignac number, because 105124503225 - 2⁶ = 105124503161 is a prime.

It is a super-2 number, since 2×105124503225² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105124503192 and 105124503201.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 537330 + ... + 706379.

It is an arithmetic number, because the mean of its divisors is an integer number (2930180760).

Almost surely, 2^105124503225 is an apocalyptic number.

105124503225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105124503225 is an abundant number, since it is smaller than the sum of its proper divisors (105848511495).

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

105124503225 is a wasteful number, since it uses less digits than its factorization.

105124503225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243759 (or 1243747 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 105124503225 its reverse (522305421501), we get a palindrome (627429924726).

The spelling of 105124503225 in words is "one hundred five billion, one hundred twenty-four million, five hundred three thousand, two hundred twenty-five".