121653227 has 2 divisors, whose sum is σ = 121653228. Its totient is φ = 121653226.

The previous prime is 121653211. The next prime is 121653239. The reversal of 121653227 is 722356121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121653227 - 2⁴ = 121653211 is a prime.

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 121653227.

It is not a weakly prime, because it can be changed into another prime (121650227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60826613 + 60826614.

It is an arithmetic number, because the mean of its divisors is an integer number (60826614).

Almost surely, 2^121653227 is an apocalyptic number.

121653227 is a deficient number, since it is larger than the sum of its proper divisors (1).

121653227 is an equidigital number, since it uses as much as digits as its factorization.

121653227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 121653227 is about 11029.6521703996. The cubic root of 121653227 is about 495.4972074447.

The spelling of 121653227 in words is "one hundred twenty-one million, six hundred fifty-three thousand, two hundred twenty-seven".