1124555668 has 12 divisors (see below), whose sum is σ = 1971435060. Its totient is φ = 561288512.

The previous prime is 1124555639. The next prime is 1124555669. The reversal of 1124555668 is 8665554211.

It can be written as a sum of positive squares in 2 ways, for example, as 663680644 + 460875024 = 25762^2 + 21468^2 .

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124555669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244771 + ... + 249322.

It is an arithmetic number, because the mean of its divisors is an integer number (164286255).

Almost surely, 2^1124555668 is an apocalyptic number.

It is an amenable number.

1124555668 is a deficient number, since it is larger than the sum of its proper divisors (846879392).

1124555668 is a wasteful number, since it uses less digits than its factorization.

1124555668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494666 (or 494664 counting only the distinct ones).

The product of its digits is 288000, while the sum is 43.

The square root of 1124555668 is about 33534.3952979624. The cubic root of 1124555668 is about 1039.9049678944.

The spelling of 1124555668 in words is "one billion, one hundred twenty-four million, five hundred fifty-five thousand, six hundred sixty-eight".