1129169 has 2 divisors, whose sum is σ = 1129170. Its totient is φ = 1129168.

The previous prime is 1129159. The next prime is 1129187. The reversal of 1129169 is 9619211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744769 + 384400 = 863^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1129169 - 2⁴ = 1129153 is a prime.

It is a super-2 number, since 2×1129169² = 2550045261122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1129109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564584 + 564585.

It is an arithmetic number, because the mean of its divisors is an integer number (564585).

2^1129169 is an apocalyptic number.

It is an amenable number.

1129169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129169 is an equidigital number, since it uses as much as digits as its factorization.

1129169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 29.

The square root of 1129169 is about 1062.6236398650. The cubic root of 1129169 is about 104.1325049222.

The spelling of 1129169 in words is "one million, one hundred twenty-nine thousand, one hundred sixty-nine".