1361105 has 16 divisors (see below), whose sum is σ = 1762560. Its totient is φ = 1005312.

The previous prime is 1361099. The next prime is 1361123. The reversal of 1361105 is 5011631.

It is not a de Polignac number, because 1361105 - 2⁴ = 1361089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5576 + ... + 5814.

It is an arithmetic number, because the mean of its divisors is an integer number (110160).

2^1361105 is an apocalyptic number.

It is an amenable number.

1361105 is a deficient number, since it is larger than the sum of its proper divisors (401455).

1361105 is a wasteful number, since it uses less digits than its factorization.

1361105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1361105 is about 1166.6640476161. The cubic root of 1361105 is about 110.8231634942.

Adding to 1361105 its reverse (5011631), we get a palindrome (6372736).

The spelling of 1361105 in words is "one million, three hundred sixty-one thousand, one hundred five".