1290983 has 2 divisors, whose sum is σ = 1290984. Its totient is φ = 1290982.

The previous prime is 1290937. The next prime is 1291001. The reversal of 1290983 is 3890921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1290983 - 2¹⁴ = 1274599 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1290923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645491 + 645492.

It is an arithmetic number, because the mean of its divisors is an integer number (645492).

2^1290983 is an apocalyptic number.

1290983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290983 is an equidigital number, since it uses as much as digits as its factorization.

1290983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 1290983 is about 1136.2143283730. The cubic root of 1290983 is about 108.8863670032.

The spelling of 1290983 in words is "one million, two hundred ninety thousand, nine hundred eighty-three".