1170545 has 8 divisors (see below), whose sum is σ = 1413096. Its totient is φ = 930816.

The previous prime is 1170541. The next prime is 1170553. The reversal of 1170545 is 5450711.

It can be written as a sum of positive squares in 4 ways, for example, as 12769 + 1157776 = 113^2 + 1076^2 .

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 1170545 - 2² = 1170541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1170545.

It is not an unprimeable number, because it can be changed into a prime (1170541) 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 7 ways as a sum of consecutive naturals, for example, 359 + ... + 1571.

It is an arithmetic number, because the mean of its divisors is an integer number (176637).

2^1170545 is an apocalyptic number.

It is an amenable number.

1170545 is a deficient number, since it is larger than the sum of its proper divisors (242551).

1170545 is a wasteful number, since it uses less digits than its factorization.

1170545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 1170545 is about 1081.9172796476. The cubic root of 1170545 is about 105.3891830707.

The spelling of 1170545 in words is "one million, one hundred seventy thousand, five hundred forty-five".