100601 has 4 divisors (see below), whose sum is σ = 104100. Its totient is φ = 97104.

The previous prime is 100591. The next prime is 100609. The reversal of 100601 is 106001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22201 + 78400 = 149^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 100601 - 2⁶ = 100537 is a prime.

It is a super-2 number, since 2×100601² = 20241122402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100609) 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, 1706 + ... + 1763.

It is an arithmetic number, because the mean of its divisors is an integer number (26025).

2¹⁰⁰⁶⁰¹ is an apocalyptic number.

It is an amenable number.

100601 is a deficient number, since it is larger than the sum of its proper divisors (3499).

100601 is an equidigital number, since it uses as much as digits as its factorization.

100601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3498.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 100601 is about 317.1766069558. The cubic root of 100601 is about 46.5086891690.

Adding to 100601 its reverse (106001), we get a palindrome (206602).

The spelling of 100601 in words is "one hundred thousand, six hundred one".