1100255 has 8 divisors (see below), whose sum is σ = 1421952. Its totient is φ = 812448.

The previous prime is 1100249. The next prime is 1100261. The reversal of 1100255 is 5520011.

It is an interprime number because it is at equal distance from previous prime (1100249) and next prime (1100261).

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

It is not a de Polignac number, because 1100255 - 2¹² = 1096159 is a prime.

It is a super-2 number, since 2×1100255² = 2421122130050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8399 + ... + 8528.

It is an arithmetic number, because the mean of its divisors is an integer number (177744).

2^1100255 is an apocalyptic number.

1100255 is a deficient number, since it is larger than the sum of its proper divisors (321697).

1100255 is a wasteful number, since it uses less digits than its factorization.

1100255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16945.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 1100255 is about 1048.9304076058. The cubic root of 1100255 is about 103.2359876393.

Adding to 1100255 its reverse (5520011), we get a palindrome (6620266).

The spelling of 1100255 in words is "one million, one hundred thousand, two hundred fifty-five".