1203630201 has 6 divisors (see below), whose sum is σ = 1738576970. Its totient is φ = 802420128.

The previous prime is 1203630193. The next prime is 1203630203. The reversal of 1203630201 is 1020363021.

1203630201 is a `hidden beast` number, since 12 + 0 + 3 + 630 + 20 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1043354601 + 160275600 = 32301^2 + 12660^2 .

It is not a de Polignac number, because 1203630201 - 2³ = 1203630193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203630203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66868336 + ... + 66868353.

Almost surely, 2^1203630201 is an apocalyptic number.

It is an amenable number.

1203630201 is a deficient number, since it is larger than the sum of its proper divisors (534946769).

1203630201 is a wasteful number, since it uses less digits than its factorization.

1203630201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133736695 (or 133736692 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1203630201 is about 34693.3740215621. The cubic root of 1203630201 is about 1063.7290638210.

Adding to 1203630201 its reverse (1020363021), we get a palindrome (2223993222).

It can be divided in two parts, 120363020 and 1, that added together give a palindrome (120363021).

The spelling of 1203630201 in words is "one billion, two hundred three million, six hundred thirty thousand, two hundred one".