121311341 has 2 divisors, whose sum is σ = 121311342. Its totient is φ = 121311340.

The previous prime is 121311317. The next prime is 121311349. The reversal of 121311341 is 143113121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83795716 + 37515625 = 9154^2 + 6125^2 .

It is a cyclic number.

It is not a de Polignac number, because 121311341 - 2²² = 117117037 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 (121311349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60655670 + 60655671.

It is an arithmetic number, because the mean of its divisors is an integer number (60655671).

Almost surely, 2^121311341 is an apocalyptic number.

It is an amenable number.

121311341 is a deficient number, since it is larger than the sum of its proper divisors (1).

121311341 is an equidigital number, since it uses as much as digits as its factorization.

121311341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 17.

The square root of 121311341 is about 11014.1427719092. The cubic root of 121311341 is about 495.0326013286.

Adding to 121311341 its reverse (143113121), we get a palindrome (264424462).

The spelling of 121311341 in words is "one hundred twenty-one million, three hundred eleven thousand, three hundred forty-one".