1149563 has 8 divisors (see below), whose sum is σ = 1211136. Its totient is φ = 1089000.

The previous prime is 1149559. The next prime is 1149569. The reversal of 1149563 is 3659411.

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 1149563 - 2² = 1149559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1149569) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3308 + ... + 3638.

It is an arithmetic number, because the mean of its divisors is an integer number (151392).

2^1149563 is an apocalyptic number.

1149563 is a deficient number, since it is larger than the sum of its proper divisors (61573).

1149563 is a wasteful number, since it uses less digits than its factorization.

1149563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505.

The product of its digits is 3240, while the sum is 29.

The square root of 1149563 is about 1072.1767578156. The cubic root of 1149563 is about 104.7556829015.

The spelling of 1149563 in words is "one million, one hundred forty-nine thousand, five hundred sixty-three".