105125441 has 4 divisors (see below), whose sum is σ = 105176772. Its totient is φ = 105074112.

The previous prime is 105125429. The next prime is 105125453. The reversal of 105125441 is 144521501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144521501 = 6779 ⋅21319.

It is an interprime number because it is at equal distance from previous prime (105125429) and next prime (105125453).

It can be written as a sum of positive squares in 2 ways, for example, as 27615025 + 77510416 = 5255^2 + 8804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105125441 is a prime.

It is a super-2 number, since 2×105125441² = 22102716690888962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105125401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22460 + ... + 26733.

It is an arithmetic number, because the mean of its divisors is an integer number (26294193).

Almost surely, 2^105125441 is an apocalyptic number.

It is an amenable number.

105125441 is a deficient number, since it is larger than the sum of its proper divisors (51331).

105125441 is an equidigital number, since it uses as much as digits as its factorization.

105125441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51330.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 105125441 is about 10253.0698329817. The cubic root of 105125441 is about 471.9571938222.

Adding to 105125441 its reverse (144521501), we get a palindrome (249646942).

The spelling of 105125441 in words is "one hundred five million, one hundred twenty-five thousand, four hundred forty-one".