1166045 has 8 divisors (see below), whose sum is σ = 1413720. Its totient is φ = 923200.

The previous prime is 1166041. The next prime is 1166057. The reversal of 1166045 is 5406611.

It can be written as a sum of positive squares in 4 ways, for example, as 597529 + 568516 = 773^2 + 754^2 .

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

It is not a de Polignac number, because 1166045 - 2² = 1166041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1166045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166041) 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, 650 + ... + 1659.

It is an arithmetic number, because the mean of its divisors is an integer number (176715).

2^1166045 is an apocalyptic number.

It is an amenable number.

1166045 is a deficient number, since it is larger than the sum of its proper divisors (247675).

1166045 is a wasteful number, since it uses less digits than its factorization.

1166045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1166045 is about 1079.8356356409. The cubic root of 1166045 is about 105.2539582092.

The spelling of 1166045 in words is "one million, one hundred sixty-six thousand, forty-five".