1203625 has 8 divisors (see below), whose sum is σ = 1502280. Its totient is φ = 962800.

The previous prime is 1203619. The next prime is 1203641. The reversal of 1203625 is 5263021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19881 + 1183744 = 141^2 + 1088^2 .

It is not a de Polignac number, because 1203625 - 2¹⁵ = 1170857 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4690 + ... + 4939.

It is an arithmetic number, because the mean of its divisors is an integer number (187785).

2^1203625 is an apocalyptic number.

It is an amenable number.

1203625 is a deficient number, since it is larger than the sum of its proper divisors (298655).

1203625 is an frugal number, since it uses more digits than its factorization.

1203625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9644 (or 9634 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1203625 is about 1097.0984459017. The cubic root of 1203625 is about 106.3727531661.

Adding to 1203625 its reverse (5263021), we get a palindrome (6466646).

The spelling of 1203625 in words is "one million, two hundred three thousand, six hundred twenty-five".