1290074329 has 2 divisors, whose sum is σ = 1290074330. Its totient is φ = 1290074328.

The previous prime is 1290074327. The next prime is 1290074341. The reversal of 1290074329 is 9234700921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1285079104 + 4995225 = 35848^2 + 2235^2 .

It is a cyclic number.

It is not a de Polignac number, because 1290074329 - 2¹ = 1290074327 is a prime.

Together with 1290074327, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1290074327) 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, 645037164 + 645037165.

It is an arithmetic number, because the mean of its divisors is an integer number (645037165).

Almost surely, 2^1290074329 is an apocalyptic number.

It is an amenable number.

1290074329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290074329 is an equidigital number, since it uses as much as digits as its factorization.

1290074329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 1290074329 is about 35917.6047224756. The cubic root of 1290074329 is about 1088.6081409585.

The spelling of 1290074329 in words is "one billion, two hundred ninety million, seventy-four thousand, three hundred twenty-nine".