1165049 has 2 divisors, whose sum is σ = 1165050. Its totient is φ = 1165048.

The previous prime is 1165037. The next prime is 1165051. The reversal of 1165049 is 9405611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 765625 + 399424 = 875^2 + 632^2 .

It is an emirp because it is prime and its reverse (9405611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1165049 - 2¹² = 1160953 is a prime.

It is a Sophie Germain prime.

Together with 1165051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1165069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582524 + 582525.

It is an arithmetic number, because the mean of its divisors is an integer number (582525).

2^1165049 is an apocalyptic number.

It is an amenable number.

1165049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165049 is an equidigital number, since it uses as much as digits as its factorization.

1165049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1165049 is about 1079.3743558191. The cubic root of 1165049 is about 105.2239814344.

The spelling of 1165049 in words is "one million, one hundred sixty-five thousand, forty-nine".