1303243125 has 40 divisors (see below), whose sum is σ = 2190948672. Its totient is φ = 688800000.

The previous prime is 1303243121. The next prime is 1303243141. The reversal of 1303243125 is 5213423031.

It is not a de Polignac number, because 1303243125 - 2² = 1303243121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1303243095 and 1303243104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303243121) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 208800 + ... + 214950.

Almost surely, 2^1303243125 is an apocalyptic number.

1303243125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1303243125 is a deficient number, since it is larger than the sum of its proper divisors (887705547).

1303243125 is an equidigital number, since it uses as much as digits as its factorization.

1303243125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287 (or 6272 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1303243125 is about 36100.4587920985. The cubic root of 1303243125 is about 1092.2996995362.

Adding to 1303243125 its reverse (5213423031), we get a palindrome (6516666156).

The spelling of 1303243125 in words is "one billion, three hundred three million, two hundred forty-three thousand, one hundred twenty-five".