1173055 has 8 divisors (see below), whose sum is σ = 1516032. Its totient is φ = 866208.

The previous prime is 1173043. The next prime is 1173059. The reversal of 1173055 is 5503711.

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 1173055 - 2⁹ = 1172543 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 (1173059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8959 + ... + 9088.

It is an arithmetic number, because the mean of its divisors is an integer number (189504).

2^1173055 is an apocalyptic number.

1173055 is a deficient number, since it is larger than the sum of its proper divisors (342977).

1173055 is a wasteful number, since it uses less digits than its factorization.

1173055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18065.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 1173055 is about 1083.0766362543. The cubic root of 1173055 is about 105.4644579781.

Adding to 1173055 its reverse (5503711), we get a palindrome (6676766).

It can be divided in two parts, 117 and 3055, that multiplied together give a triangular number (357435 = T₈₄₅).

The spelling of 1173055 in words is "one million, one hundred seventy-three thousand, fifty-five".