Search a number
-
+
121313359 is a prime number
BaseRepresentation
bin1110011101100…
…01100001001111
322110021100122101
413032301201033
5222024011414
620012055531
73002101156
oct716614117
9273240571
10121313359
1162529582
12347645a7
131c19696b
141217c59d
15a9b4a74
hex73b184f

121313359 has 2 divisors, whose sum is σ = 121313360. Its totient is φ = 121313358.

The previous prime is 121313317. The next prime is 121313389. The reversal of 121313359 is 953313121.

It is a strong prime.

It is an emirp because it is prime and its reverse (953313121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121313359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121313389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60656679 + 60656680.

It is an arithmetic number, because the mean of its divisors is an integer number (60656680).

Almost surely, 2121313359 is an apocalyptic number.

121313359 is a deficient number, since it is larger than the sum of its proper divisors (1).

121313359 is an equidigital number, since it uses as much as digits as its factorization.

121313359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 28.

The square root of 121313359 is about 11014.2343810180. The cubic root of 121313359 is about 495.0353462499.

The spelling of 121313359 in words is "one hundred twenty-one million, three hundred thirteen thousand, three hundred fifty-nine".