1129669345 has 16 divisors (see below), whose sum is σ = 1564604928. Its totient is φ = 766958400.

The previous prime is 1129669319. The next prime is 1129669361. The reversal of 1129669345 is 5439669211.

It is not a de Polignac number, because 1129669345 - 2⁷ = 1129669217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1129669295 and 1129669304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156249 + ... + 163318.

It is an arithmetic number, because the mean of its divisors is an integer number (97787808).

Almost surely, 2^1129669345 is an apocalyptic number.

It is an amenable number.

1129669345 is a deficient number, since it is larger than the sum of its proper divisors (434935583).

1129669345 is a wasteful number, since it uses less digits than its factorization.

1129669345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319680.

The product of its digits is 349920, while the sum is 46.

The square root of 1129669345 is about 33610.5540716008. The cubic root of 1129669345 is about 1041.4788333604.

The spelling of 1129669345 in words is "one billion, one hundred twenty-nine million, six hundred sixty-nine thousand, three hundred forty-five".