121713227 has 2 divisors, whose sum is σ = 121713228. Its totient is φ = 121713226.

The previous prime is 121713209. The next prime is 121713233. The reversal of 121713227 is 722317121.

It is a strong prime.

It is an emirp because it is prime and its reverse (722317121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121713227 - 2²⁴ = 104936011 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121713196 and 121713205.

It is not a weakly prime, because it can be changed into another prime (121713287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60856613 + 60856614.

It is an arithmetic number, because the mean of its divisors is an integer number (60856614).

Almost surely, 2^121713227 is an apocalyptic number.

121713227 is a deficient number, since it is larger than the sum of its proper divisors (1).

121713227 is an equidigital number, since it uses as much as digits as its factorization.

121713227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176, while the sum is 26.

The square root of 121713227 is about 11032.3717758241. The cubic root of 121713227 is about 495.5786546503.

The spelling of 121713227 in words is "one hundred twenty-one million, seven hundred thirteen thousand, two hundred twenty-seven".