1167145 has 8 divisors (see below), whose sum is σ = 1600704. Its totient is φ = 800304.

The previous prime is 1167143. The next prime is 1167157. The reversal of 1167145 is 5417611.

It is a happy number.

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 1167145 - 2¹ = 1167143 is a prime.

1167145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1167143) 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, 16639 + ... + 16708.

It is an arithmetic number, because the mean of its divisors is an integer number (200088).

2^1167145 is an apocalyptic number.

It is an amenable number.

1167145 is a deficient number, since it is larger than the sum of its proper divisors (433559).

1167145 is an equidigital number, since it uses as much as digits as its factorization.

1167145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33359.

The product of its digits is 840, while the sum is 25.

The square root of 1167145 is about 1080.3448523504. The cubic root of 1167145 is about 105.2870452587.

The spelling of 1167145 in words is "one million, one hundred sixty-seven thousand, one hundred forty-five".