1284242359 has 2 divisors, whose sum is σ = 1284242360. Its totient is φ = 1284242358.

The previous prime is 1284242347. The next prime is 1284242383. The reversal of 1284242359 is 9532424821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1284242359 - 2⁷ = 1284242231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1284242389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642121179 + 642121180.

It is an arithmetic number, because the mean of its divisors is an integer number (642121180).

Almost surely, 2^1284242359 is an apocalyptic number.

1284242359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1284242359 is an equidigital number, since it uses as much as digits as its factorization.

1284242359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 40.

The square root of 1284242359 is about 35836.3273648403. The cubic root of 1284242359 is about 1086.9652586417.

The spelling of 1284242359 in words is "one billion, two hundred eighty-four million, two hundred forty-two thousand, three hundred fifty-nine".