120645227 has 2 divisors, whose sum is σ = 120645228. Its totient is φ = 120645226.

The previous prime is 120645223. The next prime is 120645253. The reversal of 120645227 is 722546021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120645227 - 2² = 120645223 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 120645227.

It is not a weakly prime, because it can be changed into another prime (120645221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60322613 + 60322614.

It is an arithmetic number, because the mean of its divisors is an integer number (60322614).

Almost surely, 2^120645227 is an apocalyptic number.

120645227 is a deficient number, since it is larger than the sum of its proper divisors (1).

120645227 is an equidigital number, since it uses as much as digits as its factorization.

120645227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 120645227 is about 10983.8621167602. The cubic root of 120645227 is about 494.1248721352.

The spelling of 120645227 in words is "one hundred twenty million, six hundred forty-five thousand, two hundred twenty-seven".