100123241 has 2 divisors, whose sum is σ = 100123242. Its totient is φ = 100123240.

The previous prime is 100123237. The next prime is 100123249. The reversal of 100123241 is 142321001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95628841 + 4494400 = 9779^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 100123241 - 2² = 100123237 is a prime.

It is not a weakly prime, because it can be changed into another prime (100123249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50061620 + 50061621.

It is an arithmetic number, because the mean of its divisors is an integer number (50061621).

Almost surely, 2^100123241 is an apocalyptic number.

It is an amenable number.

100123241 is a deficient number, since it is larger than the sum of its proper divisors (1).

100123241 is an equidigital number, since it uses as much as digits as its factorization.

100123241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 100123241 is about 10006.1601526260. The cubic root of 100123241 is about 464.3494831002.

Adding to 100123241 its reverse (142321001), we get a palindrome (242444242).

It can be divided in two parts, 1001 and 23241, that added together give a palindrome (24242).

The spelling of 100123241 in words is "one hundred million, one hundred twenty-three thousand, two hundred forty-one".