1153123 has 2 divisors, whose sum is σ = 1153124. Its totient is φ = 1153122.

The previous prime is 1153109. The next prime is 1153147. The reversal of 1153123 is 3213511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1153123 - 2¹³ = 1144931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1153097 and 1153106.

It is not a weakly prime, because it can be changed into another prime (1153153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576561 + 576562.

It is an arithmetic number, because the mean of its divisors is an integer number (576562).

2^1153123 is an apocalyptic number.

1153123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153123 is an equidigital number, since it uses as much as digits as its factorization.

1153123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90, while the sum is 16.

The square root of 1153123 is about 1073.8356485049. The cubic root of 1153123 is about 104.8637082773.

Adding to 1153123 its reverse (3213511), we get a palindrome (4366634).

The spelling of 1153123 in words is "one million, one hundred fifty-three thousand, one hundred twenty-three".