120642227 has 2 divisors, whose sum is σ = 120642228. Its totient is φ = 120642226.

The previous prime is 120642167. The next prime is 120642281. The reversal of 120642227 is 722246021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120642227 - 2¹⁶ = 120576691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120642196 and 120642205.

It is not a weakly prime, because it can be changed into another prime (120642287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60321113 + 60321114.

It is an arithmetic number, because the mean of its divisors is an integer number (60321114).

Almost surely, 2^120642227 is an apocalyptic number.

120642227 is a deficient number, since it is larger than the sum of its proper divisors (1).

120642227 is an equidigital number, since it uses as much as digits as its factorization.

120642227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 120642227 is about 10983.7255519245. The cubic root of 120642227 is about 494.1207764160.

Adding to 120642227 its reverse (722246021), we get a palindrome (842888248).

The spelling of 120642227 in words is "one hundred twenty million, six hundred forty-two thousand, two hundred twenty-seven".