1152255 has 32 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 535680.

The previous prime is 1152233. The next prime is 1152287. The reversal of 1152255 is 5522511.

It is not a de Polignac number, because 1152255 - 2⁸ = 1151999 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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3550 + ... + 3860.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2^1152255 is an apocalyptic number.

1152255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1152255 is a deficient number, since it is larger than the sum of its proper divisors (944385).

1152255 is a wasteful number, since it uses less digits than its factorization.

1152255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351.

The product of its digits is 500, while the sum is 21.

The square root of 1152255 is about 1073.4314137382. The cubic root of 1152255 is about 104.8373900247.

Adding to 1152255 its reverse (5522511), we get a palindrome (6674766).

The spelling of 1152255 in words is "one million, one hundred fifty-two thousand, two hundred fifty-five".