1203331201 has 12 divisors (see below), whose sum is σ = 1233126804. Its totient is φ = 1173938400.

The previous prime is 1203331187. The next prime is 1203331211. The reversal of 1203331201 is 1021333021.

It can be written as a sum of positive squares in 2 ways, for example, as 301890625 + 901440576 = 17375^2 + 30024^2 .

It is not a de Polignac number, because 1203331201 - 2¹⁵ = 1203298433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203331211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1178071 + ... + 1179091.

It is an arithmetic number, because the mean of its divisors is an integer number (102760567).

Almost surely, 2^1203331201 is an apocalyptic number.

It is an amenable number.

1203331201 is a deficient number, since it is larger than the sum of its proper divisors (29795603).

1203331201 is an equidigital number, since it uses as much as digits as its factorization.

1203331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1203331201 is about 34689.0645737241. The cubic root of 1203331201 is about 1063.6409743813.

Adding to 1203331201 its reverse (1021333021), we get a palindrome (2224664222).

It can be divided in two parts, 12033 and 31201, that added together give a palindrome (43234).

The spelling of 1203331201 in words is "one billion, two hundred three million, three hundred thirty-one thousand, two hundred one".