1204120001 has 16 divisors (see below), whose sum is σ = 1388275200. Its totient is φ = 1023042048.

The previous prime is 1204119997. The next prime is 1204120007. The reversal of 1204120001 is 1000214021.

It is not a de Polignac number, because 1204120001 - 2² = 1204119997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204120007) 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, 388265 + ... + 391353.

It is an arithmetic number, because the mean of its divisors is an integer number (86767200).

Almost surely, 2^1204120001 is an apocalyptic number.

It is an amenable number.

1204120001 is a deficient number, since it is larger than the sum of its proper divisors (184155199).

1204120001 is a wasteful number, since it uses less digits than its factorization.

1204120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1204120001 is about 34700.4322883736. The cubic root of 1204120001 is about 1063.8733340013.

Adding to 1204120001 its reverse (1000214021), we get a palindrome (2204334022).

The spelling of 1204120001 in words is "one billion, two hundred four million, one hundred twenty thousand, one".