1101255 has 8 divisors (see below), whose sum is σ = 1762032. Its totient is φ = 587328.

The previous prime is 1101253. The next prime is 1101283. The reversal of 1101255 is 5521011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1101255 - 2¹ = 1101253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 73417 = 1101255 / (1 + 1 + 0 + 1 + 2 + 5 + 5).

1101255 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101253) 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 7 ways as a sum of consecutive naturals, for example, 36694 + ... + 36723.

It is an arithmetic number, because the mean of its divisors is an integer number (220254).

2^1101255 is an apocalyptic number.

1101255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1101255 is a deficient number, since it is larger than the sum of its proper divisors (660777).

1101255 is an equidigital number, since it uses as much as digits as its factorization.

1101255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73425.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 1101255 is about 1049.4069753913. The cubic root of 1101255 is about 103.2672545508.

Adding to 1101255 its reverse (5521011), we get a palindrome (6622266).

The spelling of 1101255 in words is "one million, one hundred one thousand, two hundred fifty-five".