1152563209 has 8 divisors (see below), whose sum is σ = 1352815808. Its totient is φ = 961210800.

The previous prime is 1152563207. The next prime is 1152563221. The reversal of 1152563209 is 9023652511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1152563209 - 2¹ = 1152563207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152563207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224767 + ... + 2225284.

It is an arithmetic number, because the mean of its divisors is an integer number (169101976).

Almost surely, 2^1152563209 is an apocalyptic number.

It is an amenable number.

1152563209 is a deficient number, since it is larger than the sum of its proper divisors (200252599).

1152563209 is an equidigital number, since it uses as much as digits as its factorization.

1152563209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450095.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 1152563209 is about 33949.4213352746. The cubic root of 1152563209 is about 1048.4673660937.

The spelling of 1152563209 in words is "one billion, one hundred fifty-two million, five hundred sixty-three thousand, two hundred nine".