121450313 has 2 divisors, whose sum is σ = 121450314. Its totient is φ = 121450312.

The previous prime is 121450291. The next prime is 121450321. The reversal of 121450313 is 313054121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112190464 + 9259849 = 10592^2 + 3043^2 .

It is an emirp because it is prime and its reverse (313054121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121450313 - 2¹⁴ = 121433929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (121450393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60725156 + 60725157.

It is an arithmetic number, because the mean of its divisors is an integer number (60725157).

Almost surely, 2^121450313 is an apocalyptic number.

It is an amenable number.

121450313 is a deficient number, since it is larger than the sum of its proper divisors (1).

121450313 is an equidigital number, since it uses as much as digits as its factorization.

121450313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 121450313 is about 11020.4497639615. The cubic root of 121450313 is about 495.2215625488.

The spelling of 121450313 in words is "one hundred twenty-one million, four hundred fifty thousand, three hundred thirteen".