1136255 has 4 divisors (see below), whose sum is σ = 1363512. Its totient is φ = 909000.

The previous prime is 1136237. The next prime is 1136287. The reversal of 1136255 is 5526311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5526311 = 7 ⋅789473.

It is not a de Polignac number, because 1136255 - 2⁸ = 1135999 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1136255.

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 3 ways as a sum of consecutive naturals, for example, 113621 + ... + 113630.

It is an arithmetic number, because the mean of its divisors is an integer number (340878).

2^1136255 is an apocalyptic number.

1136255 is a deficient number, since it is larger than the sum of its proper divisors (227257).

1136255 is an equidigital number, since it uses as much as digits as its factorization.

1136255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227256.

The product of its digits is 900, while the sum is 23.

The square root of 1136255 is about 1065.9526255890. The cubic root of 1136255 is about 104.3498756265.

Adding to 1136255 its sum of digits (23), we get a triangular number (1136278 = T₁₅₀₇).

The spelling of 1136255 in words is "one million, one hundred thirty-six thousand, two hundred fifty-five".