120121207 has 2 divisors, whose sum is σ = 120121208. Its totient is φ = 120121206.

The previous prime is 120121181. The next prime is 120121229. The reversal of 120121207 is 702121021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120121207 - 2¹⁵ = 120088439 is a prime.

It is a super-2 number, since 2×120121207² = 28858208742273698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120121247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060603 + 60060604.

It is an arithmetic number, because the mean of its divisors is an integer number (60060604).

Almost surely, 2^120121207 is an apocalyptic number.

120121207 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121207 is an equidigital number, since it uses as much as digits as its factorization.

120121207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 120121207 is about 10959.9820711532. The cubic root of 120121207 is about 493.4084268552.

Adding to 120121207 its reverse (702121021), we get a palindrome (822242228).

The spelling of 120121207 in words is "one hundred twenty million, one hundred twenty-one thousand, two hundred seven".