1130165 has 16 divisors (see below), whose sum is σ = 1436400. Its totient is φ = 852480.

The previous prime is 1130131. The next prime is 1130191. The reversal of 1130165 is 5610311.

1130165 = T₂₁₄ + T₂₁₅ + ... + T₂₅₄.

It can be written as a sum of positive squares in 8 ways, for example, as 128164 + 1002001 = 358^2 + 1001^2 .

It is not a de Polignac number, because 1130165 - 2¹⁴ = 1113781 is a prime.

It is a Curzon number.

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, 7511 + ... + 7659.

It is an arithmetic number, because the mean of its divisors is an integer number (89775).

2^1130165 is an apocalyptic number.

It is an amenable number.

1130165 is a deficient number, since it is larger than the sum of its proper divisors (306235).

1130165 is a wasteful number, since it uses less digits than its factorization.

1130165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1130165 is about 1063.0921879122. The cubic root of 1130165 is about 104.1631131232.

Adding to 1130165 its reverse (5610311), we get a palindrome (6740476).

The spelling of 1130165 in words is "one million, one hundred thirty thousand, one hundred sixty-five".