1171123 has 2 divisors, whose sum is σ = 1171124. Its totient is φ = 1171122.

The previous prime is 1171117. The next prime is 1171133. The reversal of 1171123 is 3211711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1171123 - 2¹⁷ = 1040051 is a prime.

It is a super-2 number, since 2×1171123² = 2743058162258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1171097 and 1171106.

It is not a weakly prime, because it can be changed into another prime (1171133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585561 + 585562.

It is an arithmetic number, because the mean of its divisors is an integer number (585562).

2^1171123 is an apocalyptic number.

1171123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171123 is an equidigital number, since it uses as much as digits as its factorization.

1171123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42, while the sum is 16.

The square root of 1171123 is about 1082.1843650691. The cubic root of 1171123 is about 105.4065268220.

Adding to 1171123 its reverse (3211711), we get a palindrome (4382834).

The spelling of 1171123 in words is "one million, one hundred seventy-one thousand, one hundred twenty-three".