105601143 has 16 divisors (see below), whose sum is σ = 143216640. Its totient is φ = 69200064.

The previous prime is 105601129. The next prime is 105601157. The reversal of 105601143 is 341106501.

It is an interprime number because it is at equal distance from previous prime (105601129) and next prime (105601157).

It is not a de Polignac number, because 105601143 - 2⁶ = 105601079 is a prime.

It is a super-2 number, since 2×105601143² = 22303202805812898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105601193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83248 + ... + 84506.

It is an arithmetic number, because the mean of its divisors is an integer number (8951040).

Almost surely, 2^105601143 is an apocalyptic number.

105601143 is a deficient number, since it is larger than the sum of its proper divisors (37615497).

105601143 is a wasteful number, since it uses less digits than its factorization.

105601143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 105601143 is about 10276.2416767999. The cubic root of 105601143 is about 472.6680055394.

Adding to 105601143 its reverse (341106501), we get a palindrome (446707644).

The spelling of 105601143 in words is "one hundred five million, six hundred one thousand, one hundred forty-three".