120601001 has 2 divisors, whose sum is σ = 120601002. Its totient is φ = 120601000.

The previous prime is 120600947. The next prime is 120601003. The reversal of 120601001 is 100106021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92256025 + 28344976 = 9605^2 + 5324^2 .

It is a cyclic number.

It is not a de Polignac number, because 120601001 - 2¹⁰ = 120599977 is a prime.

Together with 120601003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120601003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60300500 + 60300501.

It is an arithmetic number, because the mean of its divisors is an integer number (60300501).

Almost surely, 2^120601001 is an apocalyptic number.

It is an amenable number.

120601001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120601001 is an equidigital number, since it uses as much as digits as its factorization.

120601001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 120601001 is about 10981.8487059329. The cubic root of 120601001 is about 494.0644861645.

Adding to 120601001 its reverse (100106021), we get a palindrome (220707022).

The spelling of 120601001 in words is "one hundred twenty million, six hundred one thousand, one".