1224576478 has 8 divisors (see below), whose sum is σ = 1849029840. Its totient is φ = 608233200.

The previous prime is 1224576461. The next prime is 1224576491. The reversal of 1224576478 is 8746754221.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2027143 + ... + 2027746.

It is an arithmetic number, because the mean of its divisors is an integer number (231128730).

Almost surely, 2^1224576478 is an apocalyptic number.

1224576478 is a deficient number, since it is larger than the sum of its proper divisors (624453362).

1224576478 is a wasteful number, since it uses less digits than its factorization.

1224576478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055042.

The product of its digits is 752640, while the sum is 46.

The square root of 1224576478 is about 34993.9491626767. The cubic root of 1224576478 is about 1069.8641566271.

The spelling of 1224576478 in words is "one billion, two hundred twenty-four million, five hundred seventy-six thousand, four hundred seventy-eight".