100420241 has 4 divisors (see below), whose sum is σ = 106327332. Its totient is φ = 94513152.

The previous prime is 100420217. The next prime is 100420261. The reversal of 100420241 is 142024001.

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 34339600 + 66080641 = 5860^2 + 8129^2 .

It is a cyclic number.

It is not a de Polignac number, because 100420241 - 2¹⁰ = 100419217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100420261) 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, 2953520 + ... + 2953553.

It is an arithmetic number, because the mean of its divisors is an integer number (26581833).

Almost surely, 2^100420241 is an apocalyptic number.

It is an amenable number.

100420241 is a deficient number, since it is larger than the sum of its proper divisors (5907091).

100420241 is an equidigital number, since it uses as much as digits as its factorization.

100420241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5907090.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 100420241 is about 10020.9900209510. The cubic root of 100420241 is about 464.8081699970.

Adding to 100420241 its reverse (142024001), we get a palindrome (242444242).

The spelling of 100420241 in words is "one hundred million, four hundred twenty thousand, two hundred forty-one".