1117105 has 16 divisors (see below), whose sum is σ = 1540800. Its totient is φ = 768960.

The previous prime is 1117099. The next prime is 1117111. The reversal of 1117105 is 5017111.

1117105 = T₁₅₀ + T₁₅₁ + ... + T₂₁₅.

It is an interprime number because it is at equal distance from previous prime (1117099) and next prime (1117111).

It is not a de Polignac number, because 1117105 - 2⁵ = 1117073 is a prime.

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, 511 + ... + 1579.

It is an arithmetic number, because the mean of its divisors is an integer number (96300).

2^1117105 is an apocalyptic number.

It is an amenable number.

1117105 is a deficient number, since it is larger than the sum of its proper divisors (423695).

1117105 is a wasteful number, since it uses less digits than its factorization.

1117105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its (nonzero) digits is 35, while the sum is 16.

The square root of 1117105 is about 1056.9318804918. The cubic root of 1117105 is about 103.7603270313.

The spelling of 1117105 in words is "one million, one hundred seventeen thousand, one hundred five".