1132145 has 12 divisors (see below), whose sum is σ = 1580724. Its totient is φ = 776160.

The previous prime is 1132141. The next prime is 1132177. The reversal of 1132145 is 5412311.

1132145 = T₁₉₀ + T₁₉₁ + ... + T₂₃₈.

It can be written as a sum of positive squares in 2 ways, for example, as 414736 + 717409 = 644^2 + 847^2 .

It is not a de Polignac number, because 1132145 - 2² = 1132141 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2066 + ... + 2555.

It is an arithmetic number, because the mean of its divisors is an integer number (131727).

2^1132145 is an apocalyptic number.

It is an amenable number.

1132145 is a deficient number, since it is larger than the sum of its proper divisors (448579).

1132145 is an equidigital number, since it uses as much as digits as its factorization.

1132145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640 (or 4633 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 1132145 is about 1064.0230260666. The cubic root of 1132145 is about 104.2239073843.

Adding to 1132145 its reverse (5412311), we get a palindrome (6544456).

The spelling of 1132145 in words is "one million, one hundred thirty-two thousand, one hundred forty-five".