121145341 has 2 divisors, whose sum is σ = 121145342. Its totient is φ = 121145340.

The previous prime is 121145317. The next prime is 121145377. The reversal of 121145341 is 143541121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113422500 + 7722841 = 10650^2 + 2779^2 .

It is an emirp because it is prime and its reverse (143541121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121145341 - 2¹¹ = 121143293 is a prime.

It is a super-3 number, since 3×121145341³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121145041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60572670 + 60572671.

It is an arithmetic number, because the mean of its divisors is an integer number (60572671).

Almost surely, 2^121145341 is an apocalyptic number.

It is an amenable number.

121145341 is a deficient number, since it is larger than the sum of its proper divisors (1).

121145341 is an equidigital number, since it uses as much as digits as its factorization.

121145341 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 121145341 is about 11006.6044264342. The cubic root of 121145341 is about 494.8067007051.

Adding to 121145341 its reverse (143541121), we get a palindrome (264686462).

The spelling of 121145341 in words is "one hundred twenty-one million, one hundred forty-five thousand, three hundred forty-one".