1285224359 has 2 divisors, whose sum is σ = 1285224360. Its totient is φ = 1285224358.

The previous prime is 1285224301. The next prime is 1285224389. The reversal of 1285224359 is 9534225821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1285224359 - 2¹² = 1285220263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1285224389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642612179 + 642612180.

It is an arithmetic number, because the mean of its divisors is an integer number (642612180).

Almost surely, 2^1285224359 is an apocalyptic number.

1285224359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1285224359 is an equidigital number, since it uses as much as digits as its factorization.

1285224359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 41.

The square root of 1285224359 is about 35850.0259274662. The cubic root of 1285224359 is about 1087.2422385353.

The spelling of 1285224359 in words is "one billion, two hundred eighty-five million, two hundred twenty-four thousand, three hundred fifty-nine".