1001105 has 8 divisors (see below), whose sum is σ = 1372992. Its totient is φ = 686448.

The previous prime is 1001093. The next prime is 1001107. The reversal of 1001105 is 5011001.

It is a happy number.

1001105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1001105 - 2⁴ = 1001089 is a prime.

It is a super-2 number, since 2×1001105² = 2004422442050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1001092 and 1001101.

It is not an unprimeable number, because it can be changed into a prime (1001107) 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, 14267 + ... + 14336.

It is an arithmetic number, because the mean of its divisors is an integer number (171624).

2^1001105 is an apocalyptic number.

It is an amenable number.

1001105 is a deficient number, since it is larger than the sum of its proper divisors (371887).

1001105 is an equidigital number, since it uses as much as digits as its factorization.

1001105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28615.

The product of its (nonzero) digits is 5, while the sum is 8.

The square root of 1001105 is about 1000.5523474561. The cubic root of 1001105 is about 100.0368197747.

Adding to 1001105 its reverse (5011001), we get a palindrome (6012106).

The spelling of 1001105 in words is "one million, one thousand, one hundred five".