1245410489 has 2 divisors, whose sum is σ = 1245410490. Its totient is φ = 1245410488.

The previous prime is 1245410479. The next prime is 1245410521. The reversal of 1245410489 is 9840145421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1078794025 + 166616464 = 32845^2 + 12908^2 .

It is a cyclic number.

It is not a de Polignac number, because 1245410489 - 2⁴ = 1245410473 is a prime.

It is a super-2 number, since 2×1245410489² = 3102094572222438242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1245410449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622705244 + 622705245.

It is an arithmetic number, because the mean of its divisors is an integer number (622705245).

Almost surely, 2^1245410489 is an apocalyptic number.

It is an amenable number.

1245410489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245410489 is an equidigital number, since it uses as much as digits as its factorization.

1245410489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 1245410489 is about 35290.3738858063. The cubic root of 1245410489 is about 1075.8973546382.

The spelling of 1245410489 in words is "one billion, two hundred forty-five million, four hundred ten thousand, four hundred eighty-nine".