120155301001 has 4 divisors (see below), whose sum is σ = 120158089492. Its totient is φ = 120152512512.

The previous prime is 120155300963. The next prime is 120155301023. The reversal of 120155301001 is 100103551021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100103551021 = 263 ⋅380621867.

It can be written as a sum of positive squares in 2 ways, for example, as 31976592400 + 88178708601 = 178820^2 + 296949^2 .

It is a cyclic number.

It is not a de Polignac number, because 120155301001 - 2¹¹ = 120155298953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120155301001.

It is not an unprimeable number, because it can be changed into a prime (120155341001) 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 in 3 ways as a sum of consecutive naturals, for example, 1328580 + ... + 1416133.

It is an arithmetic number, because the mean of its divisors is an integer number (30039522373).

Almost surely, 2^120155301001 is an apocalyptic number.

It is an amenable number.

120155301001 is a deficient number, since it is larger than the sum of its proper divisors (2788491).

120155301001 is an equidigital number, since it uses as much as digits as its factorization.

120155301001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788490.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 120155301001 its reverse (100103551021), we get a palindrome (220258852022).

The spelling of 120155301001 in words is "one hundred twenty billion, one hundred fifty-five million, three hundred one thousand, one".