1303242225 has 12 divisors (see below), whose sum is σ = 2154693936. Its totient is φ = 695062480.

The previous prime is 1303242217. The next prime is 1303242251. The reversal of 1303242225 is 5222423031.

It is not a de Polignac number, because 1303242225 - 2³ = 1303242217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303242195 and 1303242204.

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 11 ways as a sum of consecutive naturals, for example, 8688207 + ... + 8688356.

It is an arithmetic number, because the mean of its divisors is an integer number (179557828).

Almost surely, 2^1303242225 is an apocalyptic number.

1303242225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1303242225 is a deficient number, since it is larger than the sum of its proper divisors (851451711).

1303242225 is a wasteful number, since it uses less digits than its factorization.

1303242225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17376576 (or 17376571 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1303242225 is about 36100.4463268808. The cubic root of 1303242225 is about 1092.2994480943.

Adding to 1303242225 its reverse (5222423031), we get a palindrome (6525665256).

The spelling of 1303242225 in words is "one billion, three hundred three million, two hundred forty-two thousand, two hundred twenty-five".