1123873 has 2 divisors, whose sum is σ = 1123874. Its totient is φ = 1123872.

The previous prime is 1123867. The next prime is 1123879. The reversal of 1123873 is 3783211.

It is a balanced prime because it is at equal distance from previous prime (1123867) and next prime (1123879).

It can be written as a sum of positive squares in only one way, i.e., 692224 + 431649 = 832^2 + 657^2 .

It is an emirp because it is prime and its reverse (3783211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1123873 - 2⁵ = 1123841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561936 + 561937.

It is an arithmetic number, because the mean of its divisors is an integer number (561937).

2^1123873 is an apocalyptic number.

It is an amenable number.

1123873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123873 is an equidigital number, since it uses as much as digits as its factorization.

1123873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 25.

The square root of 1123873 is about 1060.1287657639. The cubic root of 1123873 is about 103.9694498532.

It can be divided in two parts, 11238 and 73, that added together give a palindrome (11311).

The spelling of 1123873 in words is "one million, one hundred twenty-three thousand, eight hundred seventy-three".