1116255 has 16 divisors (see below), whose sum is σ = 2041344. Its totient is φ = 510240.

The previous prime is 1116229. The next prime is 1116257. The reversal of 1116255 is 5526111.

It is not a de Polignac number, because 1116255 - 2⁵ = 1116223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

1116255 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5211 + ... + 5420.

It is an arithmetic number, because the mean of its divisors is an integer number (127584).

2^1116255 is an apocalyptic number.

1116255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1116255 is a deficient number, since it is larger than the sum of its proper divisors (925089).

1116255 is a wasteful number, since it uses less digits than its factorization.

1116255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10646.

The product of its digits is 300, while the sum is 21.

The square root of 1116255 is about 1056.5296966957. The cubic root of 1116255 is about 103.7340034368.

The spelling of 1116255 in words is "one million, one hundred sixteen thousand, two hundred fifty-five".