100420141 has 2 divisors, whose sum is σ = 100420142. Its totient is φ = 100420140.

The previous prime is 100420097. The next prime is 100420147. The reversal of 100420141 is 141024001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66896041 + 33524100 = 8179^2 + 5790^2 .

It is an emirp because it is prime and its reverse (141024001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100420141 - 2¹⁹ = 99895853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100420147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50210070 + 50210071.

It is an arithmetic number, because the mean of its divisors is an integer number (50210071).

Almost surely, 2^100420141 is an apocalyptic number.

It is an amenable number.

100420141 is a deficient number, since it is larger than the sum of its proper divisors (1).

100420141 is an equidigital number, since it uses as much as digits as its factorization.

100420141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 100420141 is about 10020.9850314228. The cubic root of 100420141 is about 464.8080157093.

Adding to 100420141 its reverse (141024001), we get a palindrome (241444142).

The spelling of 100420141 in words is "one hundred million, four hundred twenty thousand, one hundred forty-one".