1203321025 has 12 divisors (see below), whose sum is σ = 1523866752. Its totient is φ = 942173840.

The previous prime is 1203321023. The next prime is 1203321071. The reversal of 1203321025 is 5201233021.

It is not a de Polignac number, because 1203321025 - 2¹ = 1203321023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203320993 and 1203321011.

It is not an unprimeable number, because it can be changed into a prime (1203321023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 510877 + ... + 513226.

It is an arithmetic number, because the mean of its divisors is an integer number (126988896).

Almost surely, 2^1203321025 is an apocalyptic number.

It is an amenable number.

1203321025 is a deficient number, since it is larger than the sum of its proper divisors (320545727).

1203321025 is a wasteful number, since it uses less digits than its factorization.

1203321025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024160 (or 1024155 counting only the distinct ones).

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

The square root of 1203321025 is about 34688.9178989486. The cubic root of 1203321025 is about 1063.6379761374.

Adding to 1203321025 its reverse (5201233021), we get a palindrome (6404554046).

The spelling of 1203321025 in words is "one billion, two hundred three million, three hundred twenty-one thousand, twenty-five".