121313107 has 2 divisors, whose sum is σ = 121313108. Its totient is φ = 121313106.

The previous prime is 121313099. The next prime is 121313117. The reversal of 121313107 is 701313121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121313107 - 2³ = 121313099 is a prime.

It is a super-3 number, since 3×121313107³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (121313117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60656553 + 60656554.

It is an arithmetic number, because the mean of its divisors is an integer number (60656554).

Almost surely, 2^121313107 is an apocalyptic number.

121313107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121313107 is an equidigital number, since it uses as much as digits as its factorization.

121313107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 121313107 is about 11014.2229412701. Note that the first 3 decimals coincide. The cubic root of 121313107 is about 495.0350034765.

Adding to 121313107 its reverse (701313121), we get a palindrome (822626228).

The spelling of 121313107 in words is "one hundred twenty-one million, three hundred thirteen thousand, one hundred seven".