1203545425 has 12 divisors (see below), whose sum is σ = 1517693040. Its totient is φ = 946515920.

The previous prime is 1203545419. The next prime is 1203545437. The reversal of 1203545425 is 5245453021.

It is not a de Polignac number, because 1203545425 - 2⁵ = 1203545393 is a prime.

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, 406507 + ... + 409456.

It is an arithmetic number, because the mean of its divisors is an integer number (126474420).

Almost surely, 2^1203545425 is an apocalyptic number.

It is an amenable number.

1203545425 is a deficient number, since it is larger than the sum of its proper divisors (314147615).

1203545425 is an equidigital number, since it uses as much as digits as its factorization.

1203545425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816032 (or 816027 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 1203545425 is about 34692.1522105504. The cubic root of 1203545425 is about 1063.7040891479.

Adding to 1203545425 its reverse (5245453021), we get a palindrome (6448998446).

The spelling of 1203545425 in words is "one billion, two hundred three million, five hundred forty-five thousand, four hundred twenty-five".