1290344119 has 2 divisors, whose sum is σ = 1290344120. Its totient is φ = 1290344118.

The previous prime is 1290344053. The next prime is 1290344123. The reversal of 1290344119 is 9114430921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1290344119 - 2⁷ = 1290343991 is a prime.

It is a super-2 number, since 2×1290344119² = 3329975890875772322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1290344819) 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, 645172059 + 645172060.

It is an arithmetic number, because the mean of its divisors is an integer number (645172060).

Almost surely, 2^1290344119 is an apocalyptic number.

1290344119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290344119 is an equidigital number, since it uses as much as digits as its factorization.

1290344119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1290344119 is about 35921.3602053152. The cubic root of 1290344119 is about 1088.6840216301.

The spelling of 1290344119 in words is "one billion, two hundred ninety million, three hundred forty-four thousand, one hundred nineteen".