1152505 has 4 divisors (see below), whose sum is σ = 1383012. Its totient is φ = 922000.

The previous prime is 1152493. The next prime is 1152509. The reversal of 1152505 is 5052511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 529984 + 622521 = 728^2 + 789^2 .

It is not a de Polignac number, because 1152505 - 2⁹ = 1151993 is a prime.

It is a Duffinian number.

1152505 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1152509) 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, 115246 + ... + 115255.

It is an arithmetic number, because the mean of its divisors is an integer number (345753).

2^1152505 is an apocalyptic number.

It is an amenable number.

1152505 is a deficient number, since it is larger than the sum of its proper divisors (230507).

1152505 is an equidigital number, since it uses as much as digits as its factorization.

1152505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230506.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 1152505 is about 1073.5478564088. The cubic root of 1152505 is about 104.8449715214.

The spelling of 1152505 in words is "one million, one hundred fifty-two thousand, five hundred five".