1203512225 has 12 divisors (see below), whose sum is σ = 1540496640. Its totient is φ = 931750800.

The previous prime is 1203512207. The next prime is 1203512281. The reversal of 1203512225 is 5222153021.

It is not a de Polignac number, because 1203512225 - 2²⁰ = 1202463649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1203512225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 775685 + ... + 777234.

It is an arithmetic number, because the mean of its divisors is an integer number (128374720).

Almost surely, 2^1203512225 is an apocalyptic number.

It is an amenable number.

1203512225 is a deficient number, since it is larger than the sum of its proper divisors (336984415).

1203512225 is a wasteful number, since it uses less digits than its factorization.

1203512225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552960 (or 1552955 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1203512225 is about 34691.6737128666. The cubic root of 1203512225 is about 1063.6943082401.

Adding to 1203512225 its reverse (5222153021), we get a palindrome (6425665246).

The spelling of 1203512225 in words is "one billion, two hundred three million, five hundred twelve thousand, two hundred twenty-five".