1304489117 has 2 divisors, whose sum is σ = 1304489118. Its totient is φ = 1304489116.

The previous prime is 1304489051. The next prime is 1304489201. The reversal of 1304489117 is 7119844031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1268356996 + 36132121 = 35614^2 + 6011^2 .

It is an emirp because it is prime and its reverse (7119844031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1304489117 - 2¹⁰ = 1304488093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1304489617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652244558 + 652244559.

It is an arithmetic number, because the mean of its divisors is an integer number (652244559).

Almost surely, 2^1304489117 is an apocalyptic number.

It is an amenable number.

1304489117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304489117 is an equidigital number, since it uses as much as digits as its factorization.

1304489117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1304489117 is about 36117.7119568779. The cubic root of 1304489117 is about 1092.6476937453.

The spelling of 1304489117 in words is "one billion, three hundred four million, four hundred eighty-nine thousand, one hundred seventeen".