105124565231 has 8 divisors (see below), whose sum is σ = 121205567904. Its totient is φ = 89309364480.

The previous prime is 105124565173. The next prime is 105124565237. The reversal of 105124565231 is 132565421501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-105124565231 is a prime.

It is a super-2 number, since 2×105124565231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105124565191 and 105124565200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105124565237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66449630 + ... + 66451211.

It is an arithmetic number, because the mean of its divisors is an integer number (15150695988).

Almost surely, 2^105124565231 is an apocalyptic number.

105124565231 is a deficient number, since it is larger than the sum of its proper divisors (16081002673).

105124565231 is a wasteful number, since it uses less digits than its factorization.

105124565231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132900961.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 105124565231 its reverse (132565421501), we get a palindrome (237689986732).

The spelling of 105124565231 in words is "one hundred five billion, one hundred twenty-four million, five hundred sixty-five thousand, two hundred thirty-one".