120000001 has 8 divisors (see below), whose sum is σ = 131385024. Its totient is φ = 108694320.

The previous prime is 119999987. The next prime is 120000007. The reversal of 120000001 is 100000021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120000001 - 2⁹ = 119999489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16645 + ... + 22738.

It is an arithmetic number, because the mean of its divisors is an integer number (16423128).

Almost surely, 2^120000001 is an apocalyptic number.

120000001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120000001 is a deficient number, since it is larger than the sum of its proper divisors (11385023).

120000001 is a wasteful number, since it uses less digits than its factorization.

120000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39671.

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 120000001 is about 10954.4511957469. The cubic root of 120000001 is about 493.2424162362.

Adding to 120000001 its reverse (100000021), we get a palindrome (220000022).

It can be divided in two parts, 1 and 20000001, that added together give a palindrome (20000002).

The spelling of 120000001 in words is "one hundred twenty million, one", and thus it is an aban number.