121310107 has 2 divisors, whose sum is σ = 121310108. Its totient is φ = 121310106.

The previous prime is 121310089. The next prime is 121310141. The reversal of 121310107 is 701013121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121310107 - 2¹¹ = 121308059 is a prime.

It is a super-2 number, since 2×121310107² = 29432284120702898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121310177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60655053 + 60655054.

It is an arithmetic number, because the mean of its divisors is an integer number (60655054).

Almost surely, 2^121310107 is an apocalyptic number.

121310107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121310107 is an equidigital number, since it uses as much as digits as its factorization.

121310107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 121310107 is about 11014.0867528815. The cubic root of 121310107 is about 495.0309228038.

Adding to 121310107 its reverse (701013121), we get a palindrome (822323228).

The spelling of 121310107 in words is "one hundred twenty-one million, three hundred ten thousand, one hundred seven".