121393271 has 2 divisors, whose sum is σ = 121393272. Its totient is φ = 121393270.

The previous prime is 121393253. The next prime is 121393289. The reversal of 121393271 is 172393121.

It is a balanced prime because it is at equal distance from previous prime (121393253) and next prime (121393289).

It is an emirp because it is prime and its reverse (172393121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121393271 - 2¹⁰ = 121392247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121393201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60696635 + 60696636.

It is an arithmetic number, because the mean of its divisors is an integer number (60696636).

Almost surely, 2^121393271 is an apocalyptic number.

121393271 is a deficient number, since it is larger than the sum of its proper divisors (1).

121393271 is an equidigital number, since it uses as much as digits as its factorization.

121393271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 29.

The square root of 121393271 is about 11017.8614531133. The cubic root of 121393271 is about 495.1440195840.

The spelling of 121393271 in words is "one hundred twenty-one million, three hundred ninety-three thousand, two hundred seventy-one".