121154227 has 2 divisors, whose sum is σ = 121154228. Its totient is φ = 121154226.

The previous prime is 121154197. The next prime is 121154233. The reversal of 121154227 is 722451121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121154227 - 2¹⁹ = 120629939 is a prime.

It is not a weakly prime, because it can be changed into another prime (121154287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60577113 + 60577114.

It is an arithmetic number, because the mean of its divisors is an integer number (60577114).

Almost surely, 2^121154227 is an apocalyptic number.

121154227 is a deficient number, since it is larger than the sum of its proper divisors (1).

121154227 is an equidigital number, since it uses as much as digits as its factorization.

121154227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 25.

The square root of 121154227 is about 11007.0080857606. The cubic root of 121154227 is about 494.8187984184.

The spelling of 121154227 in words is "one hundred twenty-one million, one hundred fifty-four thousand, two hundred twenty-seven".