100755 has 12 divisors (see below), whose sum is σ = 174720. Its totient is φ = 53712.

The previous prime is 100747. The next prime is 100769. The reversal of 100755 is 557001.

It is a happy number.

It is not a de Polignac number, because 100755 - 2³ = 100747 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1075 + ... + 1164.

It is an arithmetic number, because the mean of its divisors is an integer number (14560).

2¹⁰⁰⁷⁵⁵ is an apocalyptic number.

100755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100755 is a deficient number, since it is larger than the sum of its proper divisors (73965).

100755 is a wasteful number, since it uses less digits than its factorization.

100755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 18.

The square root of 100755 is about 317.4192810779. The cubic root of 100755 is about 46.5324089018.

Adding to 100755 its reverse (557001), we get a palindrome (657756).

The spelling of 100755 in words is "one hundred thousand, seven hundred fifty-five".