120121201 has 4 divisors (see below), whose sum is σ = 127187172. Its totient is φ = 113055232.

The previous prime is 120121181. The next prime is 120121207. The reversal of 120121201 is 102121021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74909025 + 45212176 = 8655^2 + 6724^2 .

It is a cyclic number.

It is not a de Polignac number, because 120121201 - 2⁷ = 120121073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120121207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3532960 + ... + 3532993.

It is an arithmetic number, because the mean of its divisors is an integer number (31796793).

Almost surely, 2^120121201 is an apocalyptic number.

It is an amenable number.

120121201 is a deficient number, since it is larger than the sum of its proper divisors (7065971).

120121201 is an equidigital number, since it uses as much as digits as its factorization.

120121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7065970.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 120121201 is about 10959.9817974301. The cubic root of 120121201 is about 493.4084186400.

Adding to 120121201 its reverse (102121021), we get a palindrome (222242222).

The spelling of 120121201 in words is "one hundred twenty million, one hundred twenty-one thousand, two hundred one".