1224805287255 has 32 divisors (see below), whose sum is σ = 2138036110848. Its totient is φ = 593791056000.

The previous prime is 1224805287247. The next prime is 1224805287271. The reversal of 1224805287255 is 5527825084221.

It is not a de Polignac number, because 1224805287255 - 2³ = 1224805287247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1224805287198 and 1224805287207.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 1516030 + ... + 2178980.

It is an arithmetic number, because the mean of its divisors is an integer number (66813628464).

Almost surely, 2^{1224805287255} is an apocalyptic number.

1224805287255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1224805287255 is a deficient number, since it is larger than the sum of its proper divisors (913230823593).

1224805287255 is a wasteful number, since it uses less digits than its factorization.

1224805287255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674167.

The product of its (nonzero) digits is 3584000, while the sum is 51.

The spelling of 1224805287255 in words is "one trillion, two hundred twenty-four billion, eight hundred five million, two hundred eighty-seven thousand, two hundred fifty-five".