100727 has 4 divisors (see below), whose sum is σ = 109896. Its totient is φ = 91560.

The previous prime is 100703. The next prime is 100733. The reversal of 100727 is 727001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 100727.

It is not an unprimeable number, because it can be changed into a prime (100747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4568 + ... + 4589.

It is an arithmetic number, because the mean of its divisors is an integer number (27474).

2¹⁰⁰⁷²⁷ is an apocalyptic number.

100727 is a deficient number, since it is larger than the sum of its proper divisors (9169).

100727 is an equidigital number, since it uses as much as digits as its factorization.

100727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168.

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 100727 is about 317.3751723119. The cubic root of 100727 is about 46.5280980218.

Adding to 100727 its reverse (727001), we get a palindrome (827728).

The spelling of 100727 in words is "one hundred thousand, seven hundred twenty-seven", and thus it is an iban number.