1303139 has 2 divisors, whose sum is σ = 1303140. Its totient is φ = 1303138.

The previous prime is 1303129. The next prime is 1303151. The reversal of 1303139 is 9313031.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1303139 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1303139.

It is not a weakly prime, because it can be changed into another prime (1303109) 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, 651569 + 651570.

It is an arithmetic number, because the mean of its divisors is an integer number (651570).

2^1303139 is an apocalyptic number.

1303139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303139 is an equidigital number, since it uses as much as digits as its factorization.

1303139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 1303139 is about 1141.5511377069. The cubic root of 1303139 is about 109.2270608332.

The spelling of 1303139 in words is "one million, three hundred three thousand, one hundred thirty-nine".