120200001 has 16 divisors (see below), whose sum is σ = 169359360. Its totient is φ = 75675600.

The previous prime is 120199993. The next prime is 120200011. The reversal of 120200001 is 100002021.

It is a happy number.

It is not a de Polignac number, because 120200001 - 2³ = 120199993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120200011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5575 + ... + 16476.

It is an arithmetic number, because the mean of its divisors is an integer number (10584960).

Almost surely, 2^120200001 is an apocalyptic number.

It is an amenable number.

120200001 is a deficient number, since it is larger than the sum of its proper divisors (49159359).

120200001 is a wasteful number, since it uses less digits than its factorization.

120200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22156.

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 120200001 is about 10963.5761045382. The cubic root of 120200001 is about 493.5162877040.

Adding to 120200001 its reverse (100002021), we get a palindrome (220202022).

The spelling of 120200001 in words is "one hundred twenty million, two hundred thousand, one".