1203211225 has 6 divisors (see below), whose sum is σ = 1491981950. Its totient is φ = 962568960.

The previous prime is 1203211211. The next prime is 1203211291. The reversal of 1203211225 is 5221123021.

It can be written as a sum of positive squares in 3 ways, for example, as 5774409 + 1197436816 = 2403^2 + 34604^2 .

It is not a de Polignac number, because 1203211225 - 2¹¹ = 1203209177 is a prime.

It is an unprimeable number.

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, 24064200 + ... + 24064249.

Almost surely, 2^1203211225 is an apocalyptic number.

It is an amenable number.

1203211225 is a deficient number, since it is larger than the sum of its proper divisors (288770725).

1203211225 is an equidigital number, since it uses as much as digits as its factorization.

1203211225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48128459 (or 48128454 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1203211225 is about 34687.3352248339. The cubic root of 1203211225 is about 1063.6056237284.

Adding to 1203211225 its reverse (5221123021), we get a palindrome (6424334246).

The spelling of 1203211225 in words is "one billion, two hundred three million, two hundred eleven thousand, two hundred twenty-five".