100242801 has 12 divisors (see below), whose sum is σ = 144950260. Its totient is φ = 66756960.

The previous prime is 100242799. The next prime is 100242811. The reversal of 100242801 is 108242001.

It can be written as a sum of positive squares in 2 ways, for example, as 40335201 + 59907600 = 6351^2 + 7740^2 .

It is not a de Polignac number, because 100242801 - 2¹ = 100242799 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100242811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3735 + ... + 14643.

Almost surely, 2^100242801 is an apocalyptic number.

It is an amenable number.

100242801 is a deficient number, since it is larger than the sum of its proper divisors (44707459).

100242801 is a wasteful number, since it uses less digits than its factorization.

100242801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11936 (or 11933 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 100242801 is about 10012.1326898918. The cubic root of 100242801 is about 464.5342405381.

Adding to 100242801 its reverse (108242001), we get a palindrome (208484802).

The spelling of 100242801 in words is "one hundred million, two hundred forty-two thousand, eight hundred one".