1224877568 has 40 divisors (see below), whose sum is σ = 2450821560. Its totient is φ = 611573760.

The previous prime is 1224877561. The next prime is 1224877571. The reversal of 1224877568 is 8657784221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224877561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515423 + ... + 517793.

It is an arithmetic number, because the mean of its divisors is an integer number (61270539).

Almost surely, 2^1224877568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224877568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225410780).

1224877568 is an abundant number, since it is smaller than the sum of its proper divisors (1225943992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1224877568 is an equidigital number, since it uses as much as digits as its factorization.

1224877568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398 (or 3382 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 50.

The square root of 1224877568 is about 34998.2509277249. The cubic root of 1224877568 is about 1069.9518329265.

The spelling of 1224877568 in words is "one billion, two hundred twenty-four million, eight hundred seventy-seven thousand, five hundred sixty-eight".