1304929 has 2 divisors, whose sum is σ = 1304930. Its totient is φ = 1304928.

The previous prime is 1304923. The next prime is 1304957. The reversal of 1304929 is 9294031.

It is a happy number.

It is an a-pointer prime, because the next prime (1304957) can be obtained adding 1304929 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1299600 + 5329 = 1140^2 + 73^2 .

It is an emirp because it is prime and its reverse (9294031) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1304929 is a prime.

It is a Chen prime.

It is an Ulam number.

1304929 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1304897 and 1304906.

It is not a weakly prime, because it can be changed into another prime (1304923) 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, 652464 + 652465.

It is an arithmetic number, because the mean of its divisors is an integer number (652465).

2^1304929 is an apocalyptic number.

It is an amenable number.

1304929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304929 is an equidigital number, since it uses as much as digits as its factorization.

1304929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1304929 is about 1142.3348896011. The cubic root of 1304929 is about 109.2770496132.

The spelling of 1304929 in words is "one million, three hundred four thousand, nine hundred twenty-nine".