1162255 has 4 divisors (see below), whose sum is σ = 1394712. Its totient is φ = 929800.

The previous prime is 1162253. The next prime is 1162261. The reversal of 1162255 is 5522611.

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

It is not a de Polignac number, because 1162255 - 2¹ = 1162253 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162253) 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 3 ways as a sum of consecutive naturals, for example, 116221 + ... + 116230.

It is an arithmetic number, because the mean of its divisors is an integer number (348678).

2^1162255 is an apocalyptic number.

1162255 is a deficient number, since it is larger than the sum of its proper divisors (232457).

1162255 is an equidigital number, since it uses as much as digits as its factorization.

1162255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232456.

The product of its digits is 600, while the sum is 22.

The square root of 1162255 is about 1078.0793106261. The cubic root of 1162255 is about 105.1397986701.

Adding to 1162255 its reverse (5522611), we get a palindrome (6684866).

The spelling of 1162255 in words is "one million, one hundred sixty-two thousand, two hundred fifty-five".