1162109 has 4 divisors (see below), whose sum is σ = 1251516. Its totient is φ = 1072704.

The previous prime is 1162099. The next prime is 1162129. The reversal of 1162109 is 9012611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168100 + 994009 = 410^2 + 997^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162109 - 2⁴ = 1162093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162129) 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, 44684 + ... + 44709.

It is an arithmetic number, because the mean of its divisors is an integer number (312879).

2^1162109 is an apocalyptic number.

It is an amenable number.

1162109 is a deficient number, since it is larger than the sum of its proper divisors (89407).

1162109 is an equidigital number, since it uses as much as digits as its factorization.

1162109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89406.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1162109 is about 1078.0115954849. The cubic root of 1162109 is about 105.1353960064.

The spelling of 1162109 in words is "one million, one hundred sixty-two thousand, one hundred nine".