1167123 has 4 divisors (see below), whose sum is σ = 1556168. Its totient is φ = 778080.

The previous prime is 1167083. The next prime is 1167139. The reversal of 1167123 is 3217611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3217611 = 3 ⋅1072537.

It is not a de Polignac number, because 1167123 - 2⁶ = 1167059 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1167123.

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 3 ways as a sum of consecutive naturals, for example, 194518 + ... + 194523.

It is an arithmetic number, because the mean of its divisors is an integer number (389042).

2^1167123 is an apocalyptic number.

1167123 is a deficient number, since it is larger than the sum of its proper divisors (389045).

1167123 is an equidigital number, since it uses as much as digits as its factorization.

1167123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389044.

The product of its digits is 252, while the sum is 21.

The square root of 1167123 is about 1080.3346703684. The cubic root of 1167123 is about 105.2863837214.

The spelling of 1167123 in words is "one million, one hundred sixty-seven thousand, one hundred twenty-three".