1105215 has 8 divisors (see below), whose sum is σ = 1768368. Its totient is φ = 589440.

The previous prime is 1105213. The next prime is 1105217. The reversal of 1105215 is 5125011.

It is an interprime number because it is at equal distance from previous prime (1105213) and next prime (1105217).

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

It is not a de Polignac number, because 1105215 - 2¹ = 1105213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 73681 = 1105215 / (1 + 1 + 0 + 5 + 2 + 1 + 5).

1105215 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1105194 and 1105203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36826 + ... + 36855.

It is an arithmetic number, because the mean of its divisors is an integer number (221046).

2^1105215 is an apocalyptic number.

1105215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1105215 is a deficient number, since it is larger than the sum of its proper divisors (663153).

1105215 is an equidigital number, since it uses as much as digits as its factorization.

1105215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73689.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 1105215 is about 1051.2920621787. The cubic root of 1105215 is about 103.3908859647.

The spelling of 1105215 in words is "one million, one hundred five thousand, two hundred fifteen".