100501601 has 4 divisors (see below), whose sum is σ = 100525572. Its totient is φ = 100477632.

The previous prime is 100501589. The next prime is 100501607. The reversal of 100501601 is 106105001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106105001 = 401 ⋅264601.

It can be written as a sum of positive squares in 2 ways, for example, as 7398400 + 93103201 = 2720^2 + 9649^2 .

It is a cyclic number.

It is not a de Polignac number, because 100501601 - 2¹⁰ = 100500577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100501607) 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, 3860 + ... + 14693.

It is an arithmetic number, because the mean of its divisors is an integer number (25131393).

Almost surely, 2^100501601 is an apocalyptic number.

It is an amenable number.

100501601 is a deficient number, since it is larger than the sum of its proper divisors (23971).

100501601 is an equidigital number, since it uses as much as digits as its factorization.

100501601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23970.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 100501601 is about 10025.0486781861. The cubic root of 100501601 is about 464.9336645651.

Adding to 100501601 its reverse (106105001), we get a palindrome (206606602).

The spelling of 100501601 in words is "one hundred million, five hundred one thousand, six hundred one".