1224158255 has 16 divisors (see below), whose sum is σ = 1495476000. Its totient is φ = 961704960.

The previous prime is 1224158249. The next prime is 1224158281. The reversal of 1224158255 is 5528514221.

It is not a de Polignac number, because 1224158255 - 2⁸ = 1224157999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399971 + ... + 403019.

It is an arithmetic number, because the mean of its divisors is an integer number (93467250).

Almost surely, 2^1224158255 is an apocalyptic number.

1224158255 is a deficient number, since it is larger than the sum of its proper divisors (271317745).

1224158255 is a wasteful number, since it uses less digits than its factorization.

1224158255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4474.

The product of its digits is 32000, while the sum is 35.

The square root of 1224158255 is about 34987.9730050199. The cubic root of 1224158255 is about 1069.7423477807.

The spelling of 1224158255 in words is "one billion, two hundred twenty-four million, one hundred fifty-eight thousand, two hundred fifty-five".