1125169 has 2 divisors, whose sum is σ = 1125170. Its totient is φ = 1125168.

The previous prime is 1125167. The next prime is 1125193. The reversal of 1125169 is 9615211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 833569 + 291600 = 913^2 + 540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125169 - 2¹ = 1125167 is a prime.

It is a super-2 number, since 2×1125169² = 2532010557122, which contains 22 as substring.

Together with 1125167, it forms a pair of twin primes.

1125169 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1125167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562584 + 562585.

It is an arithmetic number, because the mean of its divisors is an integer number (562585).

2^1125169 is an apocalyptic number.

It is an amenable number.

1125169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125169 is an equidigital number, since it uses as much as digits as its factorization.

1125169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 25.

The square root of 1125169 is about 1060.7398361521. The cubic root of 1125169 is about 104.0093988054.

The spelling of 1125169 in words is "one million, one hundred twenty-five thousand, one hundred sixty-nine".