120000775001 has 2 divisors, whose sum is σ = 120000775002. Its totient is φ = 120000775000.

The previous prime is 120000774983. The next prime is 120000775043. The reversal of 120000775001 is 100577000021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109458414025 + 10542360976 = 330845^2 + 102676^2 .

It is an emirp because it is prime and its reverse (100577000021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120000775001 - 2²⁶ = 119933666137 is a prime.

It is not a weakly prime, because it can be changed into another prime (120000775061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000387500 + 60000387501.

It is an arithmetic number, because the mean of its divisors is an integer number (60000387501).

Almost surely, 2^120000775001 is an apocalyptic number.

It is an amenable number.

120000775001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120000775001 is an equidigital number, since it uses as much as digits as its factorization.

120000775001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490, while the sum is 23.

Adding to 120000775001 its reverse (100577000021), we get a palindrome (220577775022).

The spelling of 120000775001 in words is "one hundred twenty billion, seven hundred seventy-five thousand, one".