121314317 has 2 divisors, whose sum is σ = 121314318. Its totient is φ = 121314316.

The previous prime is 121314313. The next prime is 121314341. The reversal of 121314317 is 713413121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111112681 + 10201636 = 10541^2 + 3194^2 .

It is a cyclic number.

It is not a de Polignac number, because 121314317 - 2² = 121314313 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121314292 and 121314301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121314313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60657158 + 60657159.

It is an arithmetic number, because the mean of its divisors is an integer number (60657159).

Almost surely, 2^121314317 is an apocalyptic number.

It is an amenable number.

121314317 is a deficient number, since it is larger than the sum of its proper divisors (1).

121314317 is an equidigital number, since it uses as much as digits as its factorization.

121314317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 23.

The square root of 121314317 is about 11014.2778701102. The cubic root of 121314317 is about 495.0366493288.

Adding to 121314317 its reverse (713413121), we get a palindrome (834727438).

The spelling of 121314317 in words is "one hundred twenty-one million, three hundred fourteen thousand, three hundred seventeen".