1095255 has 64 divisors (see below), whose sum is σ = 2380800. Its totient is φ = 466560.

The previous prime is 1095251. The next prime is 1095257. The reversal of 1095255 is 5525901.

1095255 = T₃₃₀ + T₃₃₁ + ... + T₃₄₈.

It is not a de Polignac number, because 1095255 - 2² = 1095251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1095251) 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 63 ways as a sum of consecutive naturals, for example, 17925 + ... + 17985.

It is an arithmetic number, because the mean of its divisors is an integer number (37200).

2^1095255 is an apocalyptic number.

1095255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1095255 is an abundant number, since it is smaller than the sum of its proper divisors (1285545).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1095255 is a wasteful number, since it uses less digits than its factorization.

1095255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The square root of 1095255 is about 1046.5443134431. The cubic root of 1095255 is about 103.0793682411.

The spelling of 1095255 in words is "one million, ninety-five thousand, two hundred fifty-five".