1081117 has 4 divisors (see below), whose sum is σ = 1096416. Its totient is φ = 1065820.

The previous prime is 1081099. The next prime is 1081121. The reversal of 1081117 is 7111801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7111801 = 59 ⋅120539.

It is a cyclic number.

It is not a de Polignac number, because 1081117 - 2¹¹ = 1079069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1081094 and 1081103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7543 + ... + 7684.

It is an arithmetic number, because the mean of its divisors is an integer number (274104).

2^1081117 is an apocalyptic number.

It is an amenable number.

1081117 is a deficient number, since it is larger than the sum of its proper divisors (15299).

1081117 is an equidigital number, since it uses as much as digits as its factorization.

1081117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15298.

The product of its (nonzero) digits is 56, while the sum is 19.

The square root of 1081117 is about 1039.7677625316. The cubic root of 1081117 is about 102.6339157824.

Adding to 1081117 its reverse (7111801), we get a palindrome (8192918).

It can be divided in two parts, 108 and 1117, that added together give a triangular number (1225 = T₄₉).

The spelling of 1081117 in words is "one million, eighty-one thousand, one hundred seventeen".