121341541 has 2 divisors, whose sum is σ = 121341542. Its totient is φ = 121341540.

The previous prime is 121341527. The next prime is 121341569. The reversal of 121341541 is 145143121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119028100 + 2313441 = 10910^2 + 1521^2 .

It is an emirp because it is prime and its reverse (145143121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121341541 - 2¹⁵ = 121308773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121342541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60670770 + 60670771.

It is an arithmetic number, because the mean of its divisors is an integer number (60670771).

Almost surely, 2^121341541 is an apocalyptic number.

It is an amenable number.

121341541 is a deficient number, since it is larger than the sum of its proper divisors (1).

121341541 is an equidigital number, since it uses as much as digits as its factorization.

121341541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 22.

The square root of 121341541 is about 11015.5136512103. The cubic root of 121341541 is about 495.0736767522.

Adding to 121341541 its reverse (145143121), we get a palindrome (266484662).

The spelling of 121341541 in words is "one hundred twenty-one million, three hundred forty-one thousand, five hundred forty-one".