1152605 has 8 divisors (see below), whose sum is σ = 1431000. Its totient is φ = 890176.

The previous prime is 1152589. The next prime is 1152623. The reversal of 1152605 is 5062511.

It can be written as a sum of positive squares in 4 ways, for example, as 116281 + 1036324 = 341^2 + 1018^2 .

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 1152605 - 2⁴ = 1152589 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 3830 + ... + 4119.

It is an arithmetic number, because the mean of its divisors is an integer number (178875).

2^1152605 is an apocalyptic number.

It is an amenable number.

1152605 is a deficient number, since it is larger than the sum of its proper divisors (278395).

1152605 is an equidigital number, since it uses as much as digits as its factorization.

1152605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7983.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1152605 is about 1073.5944299408. The cubic root of 1152605 is about 104.8480038131.

The spelling of 1152605 in words is "one million, one hundred fifty-two thousand, six hundred five".