1204202001 has 4 divisors (see below), whose sum is σ = 1605602672. Its totient is φ = 802801332.

The previous prime is 1204201949. The next prime is 1204202009. The reversal of 1204202001 is 1002024021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1204202001 - 2⁶ = 1204201937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1204202009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200700331 + ... + 200700336.

It is an arithmetic number, because the mean of its divisors is an integer number (401400668).

Almost surely, 2^1204202001 is an apocalyptic number.

It is an amenable number.

1204202001 is a deficient number, since it is larger than the sum of its proper divisors (401400671).

1204202001 is an equidigital number, since it uses as much as digits as its factorization.

1204202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401400670.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1204202001 is about 34701.6138097351. The cubic root of 1204202001 is about 1063.8974832094.

Adding to 1204202001 its reverse (1002024021), we get a palindrome (2206226022).

The spelling of 1204202001 in words is "one billion, two hundred four million, two hundred two thousand, one".