1290319 has 2 divisors, whose sum is σ = 1290320. Its totient is φ = 1290318.

The previous prime is 1290299. The next prime is 1290329. The reversal of 1290319 is 9130921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1290319 - 2⁵ = 1290287 is a prime.

It is a super-2 number, since 2×1290319² = 3329846243522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1290293 and 1290302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1290329) 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, 645159 + 645160.

It is an arithmetic number, because the mean of its divisors is an integer number (645160).

2^1290319 is an apocalyptic number.

1290319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290319 is an equidigital number, since it uses as much as digits as its factorization.

1290319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 1290319 is about 1135.9220923989. The cubic root of 1290319 is about 108.8676957150.

The spelling of 1290319 in words is "one million, two hundred ninety thousand, three hundred nineteen".