1165055 has 8 divisors (see below), whose sum is σ = 1404000. Its totient is φ = 928096.

The previous prime is 1165051. The next prime is 1165057. The reversal of 1165055 is 5505611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1165055 - 2² = 1165051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1165055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1646 + ... + 2244.

It is an arithmetic number, because the mean of its divisors is an integer number (175500).

2^1165055 is an apocalyptic number.

1165055 is a deficient number, since it is larger than the sum of its proper divisors (238945).

1165055 is an equidigital number, since it uses as much as digits as its factorization.

1165055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1165055 is about 1079.3771352034. The cubic root of 1165055 is about 105.2241620685.

The spelling of 1165055 in words is "one million, one hundred sixty-five thousand, fifty-five".