1149823206 has 24 divisors (see below), whose sum is σ = 2847181584. Its totient is φ = 328520880.

The previous prime is 1149823193. The next prime is 1149823217. The reversal of 1149823206 is 6023289411.

It is a super-2 number, since 2×1149823206² = 2644186810112236872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 4562665 + ... + 4562916.

It is an arithmetic number, because the mean of its divisors is an integer number (118632566).

Almost surely, 2^1149823206 is an apocalyptic number.

1149823206 is an abundant number, since it is smaller than the sum of its proper divisors (1697358378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1149823206 is a wasteful number, since it uses less digits than its factorization.

1149823206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125596 (or 9125593 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1149823206 is about 33909.0431301150. The cubic root of 1149823206 is about 1047.6358619486.

The spelling of 1149823206 in words is "one billion, one hundred forty-nine million, eight hundred twenty-three thousand, two hundred six".