1203020201 has 4 divisors (see below), whose sum is σ = 1203186432. Its totient is φ = 1202853972.

The previous prime is 1203020173. The next prime is 1203020239. The reversal of 1203020201 is 1020203021.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 1203020201 - 2¹⁰ = 1203019177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203020281) 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, 71741 + ... + 86906.

It is an arithmetic number, because the mean of its divisors is an integer number (300796608).

Almost surely, 2^1203020201 is an apocalyptic number.

It is an amenable number.

1203020201 is a deficient number, since it is larger than the sum of its proper divisors (166231).

1203020201 is an equidigital number, since it uses as much as digits as its factorization.

1203020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166230.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1203020201 is about 34684.5816033580. The cubic root of 1203020201 is about 1063.5493340957.

Adding to 1203020201 its reverse (1020203021), we get a palindrome (2223223222).

The spelling of 1203020201 in words is "one billion, two hundred three million, twenty thousand, two hundred one".