100843601 has 4 divisors (see below), whose sum is σ = 100950372. Its totient is φ = 100736832.

The previous prime is 100843597. The next prime is 100843627. The reversal of 100843601 is 106348001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106348001 = 6367 ⋅16703.

It can be written as a sum of positive squares in 2 ways, for example, as 75603025 + 25240576 = 8695^2 + 5024^2 .

It is a cyclic number.

It is not a de Polignac number, because 100843601 - 2² = 100843597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100849601) 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, 51956 + ... + 53861.

It is an arithmetic number, because the mean of its divisors is an integer number (25237593).

Almost surely, 2^100843601 is an apocalyptic number.

It is an amenable number.

100843601 is a deficient number, since it is larger than the sum of its proper divisors (106771).

100843601 is an equidigital number, since it uses as much as digits as its factorization.

100843601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106770.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 100843601 is about 10042.0914654269. The cubic root of 100843601 is about 465.4604465210.

The spelling of 100843601 in words is "one hundred million, eight hundred forty-three thousand, six hundred one".