1131095 has 16 divisors (see below), whose sum is σ = 1643328. Its totient is φ = 729600.

The previous prime is 1131083. The next prime is 1131103. The reversal of 1131095 is 5901311.

1131095 = 91² + 92² + ... + 160².

It is not a de Polignac number, because 1131095 - 2⁴ = 1131079 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

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, 356 + ... + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (102708).

2^1131095 is an apocalyptic number.

1131095 is a deficient number, since it is larger than the sum of its proper divisors (512233).

1131095 is a wasteful number, since it uses less digits than its factorization.

1131095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 1131095 is about 1063.5295012363. The cubic root of 1131095 is about 104.1916768391.

The spelling of 1131095 in words is "one million, one hundred thirty-one thousand, ninety-five".