1303241 has 2 divisors, whose sum is σ = 1303242. Its totient is φ = 1303240.

The previous prime is 1303223. The next prime is 1303243. The reversal of 1303241 is 1423031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 48841 = 1120^2 + 221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303241 is a prime.

Together with 1303243, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₁₀₀₂₅₆ and since 1303241 and 100256 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1303243) by changing a digit.

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 as a sum of consecutive naturals, namely, 651620 + 651621.

It is an arithmetic number, because the mean of its divisors is an integer number (651621).

2^1303241 is an apocalyptic number.

It is an amenable number.

1303241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303241 is an equidigital number, since it uses as much as digits as its factorization.

1303241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1303241 is about 1141.5958128865. The cubic root of 1303241 is about 109.2299105854.

Adding to 1303241 its reverse (1423031), we get a palindrome (2726272).

The spelling of 1303241 in words is "one million, three hundred three thousand, two hundred forty-one".