121241227 has 2 divisors, whose sum is σ = 121241228. Its totient is φ = 121241226.

The previous prime is 121241213. The next prime is 121241231. The reversal of 121241227 is 722142121.

It is a strong prime.

It is an emirp because it is prime and its reverse (722142121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121241227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121241198 and 121241207.

It is not a weakly prime, because it can be changed into another prime (121241287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60620613 + 60620614.

It is an arithmetic number, because the mean of its divisors is an integer number (60620614).

Almost surely, 2^121241227 is an apocalyptic number.

121241227 is a deficient number, since it is larger than the sum of its proper divisors (1).

121241227 is an equidigital number, since it uses as much as digits as its factorization.

121241227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 448, while the sum is 22.

The square root of 121241227 is about 11010.9594041573. The cubic root of 121241227 is about 494.9372120476.

Adding to 121241227 its reverse (722142121), we get a palindrome (843383348).

The spelling of 121241227 in words is "one hundred twenty-one million, two hundred forty-one thousand, two hundred twenty-seven".