1169441345 has 16 divisors (see below), whose sum is σ = 1425288960. Its totient is φ = 920984064.

The previous prime is 1169441293. The next prime is 1169441389. The reversal of 1169441345 is 5431449611.

It is a cyclic number.

It is not a de Polignac number, because 1169441345 - 2²⁰ = 1168392769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1169441299 and 1169441308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135242 + ... + 143628.

It is an arithmetic number, because the mean of its divisors is an integer number (89080560).

Almost surely, 2^1169441345 is an apocalyptic number.

It is an amenable number.

1169441345 is a deficient number, since it is larger than the sum of its proper divisors (255847615).

1169441345 is an equidigital number, since it uses as much as digits as its factorization.

1169441345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8824.

The product of its digits is 51840, while the sum is 38.

The square root of 1169441345 is about 34197.0955638048. The cubic root of 1169441345 is about 1053.5605039214.

The spelling of 1169441345 in words is "one billion, one hundred sixty-nine million, four hundred forty-one thousand, three hundred forty-five".