1165141 has 4 divisors (see below), whose sum is σ = 1171372. Its totient is φ = 1158912.

The previous prime is 1165139. The next prime is 1165147. The reversal of 1165141 is 1415611.

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 255025 + 910116 = 505^2 + 954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1165141 - 2¹ = 1165139 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 (1165147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2826 + ... + 3211.

It is an arithmetic number, because the mean of its divisors is an integer number (292843).

2^1165141 is an apocalyptic number.

It is an amenable number.

1165141 is a deficient number, since it is larger than the sum of its proper divisors (6231).

1165141 is an equidigital number, since it uses as much as digits as its factorization.

1165141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6230.

The product of its digits is 120, while the sum is 19.

The square root of 1165141 is about 1079.4169722586. The cubic root of 1165141 is about 105.2267510894.

The spelling of 1165141 in words is "one million, one hundred sixty-five thousand, one hundred forty-one".