1152609 has 4 divisors (see below), whose sum is σ = 1536816. Its totient is φ = 768404.

The previous prime is 1152589. The next prime is 1152623. The reversal of 1152609 is 9062511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1152609 - 2¹¹ = 1150561 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1152629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192099 + ... + 192104.

It is an arithmetic number, because the mean of its divisors is an integer number (384204).

2^1152609 is an apocalyptic number.

It is an amenable number.

1152609 is a deficient number, since it is larger than the sum of its proper divisors (384207).

1152609 is an equidigital number, since it uses as much as digits as its factorization.

1152609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384206.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 1152609 is about 1073.5962928401. The cubic root of 1152609 is about 104.8481251011.

The spelling of 1152609 in words is "one million, one hundred fifty-two thousand, six hundred nine".