1091095 has 8 divisors (see below), whose sum is σ = 1329264. Its totient is φ = 859584.

The previous prime is 1091071. The next prime is 1091119. The reversal of 1091095 is 5901901.

It is an interprime number because it is at equal distance from previous prime (1091071) and next prime (1091119).

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

It is a cyclic number.

It is not a de Polignac number, because 1091095 - 2⁵ = 1091063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294 + ... + 1963.

It is an arithmetic number, because the mean of its divisors is an integer number (166158).

2^1091095 is an apocalyptic number.

1091095 is a deficient number, since it is larger than the sum of its proper divisors (238169).

1091095 is an equidigital number, since it uses as much as digits as its factorization.

1091095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329.

The product of its (nonzero) digits is 405, while the sum is 25.

The square root of 1091095 is about 1044.5549291445. The cubic root of 1091095 is about 102.9486972336.

Adding to 1091095 its reverse (5901901), we get a palindrome (6992996).

It can be divided in two parts, 109109 and 5, that multiplied together give a palindrome (545545).

The spelling of 1091095 in words is "one million, ninety-one thousand, ninety-five".