1185745 has 8 divisors (see below), whose sum is σ = 1552320. Its totient is φ = 862320.

The previous prime is 1185721. The next prime is 1185749. The reversal of 1185745 is 5475811.

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

It is not a de Polignac number, because 1185745 - 2⁷ = 1185617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1185749) 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, 10725 + ... + 10834.

It is an arithmetic number, because the mean of its divisors is an integer number (194040).

2^1185745 is an apocalyptic number.

It is an amenable number.

1185745 is a deficient number, since it is larger than the sum of its proper divisors (366575).

1185745 is a wasteful number, since it uses less digits than its factorization.

1185745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21575.

The product of its digits is 5600, while the sum is 31.

The square root of 1185745 is about 1088.9191889208. The cubic root of 1185745 is about 105.8433963744.

The spelling of 1185745 in words is "one million, one hundred eighty-five thousand, seven hundred forty-five".