121363271 has 2 divisors, whose sum is σ = 121363272. Its totient is φ = 121363270.

The previous prime is 121363267. The next prime is 121363273. The reversal of 121363271 is 172363121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121363271 - 2² = 121363267 is a prime.

Together with 121363273, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121363271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121363273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60681635 + 60681636.

It is an arithmetic number, because the mean of its divisors is an integer number (60681636).

Almost surely, 2^121363271 is an apocalyptic number.

121363271 is a deficient number, since it is larger than the sum of its proper divisors (1).

121363271 is an equidigital number, since it uses as much as digits as its factorization.

121363271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 26.

The square root of 121363271 is about 11016.4999432669. The cubic root of 121363271 is about 495.1032277996.

The spelling of 121363271 in words is "one hundred twenty-one million, three hundred sixty-three thousand, two hundred seventy-one".