1122544856 has 16 divisors (see below), whose sum is σ = 2140446600. Its totient is φ = 551759104.

The previous prime is 1122544853. The next prime is 1122544873. The reversal of 1122544856 is 6584452211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122544853) 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, 1188665 + ... + 1189608.

Almost surely, 2^1122544856 is an apocalyptic number.

It is an amenable number.

1122544856 is a deficient number, since it is larger than the sum of its proper divisors (1017901744).

1122544856 is a wasteful number, since it uses less digits than its factorization.

1122544856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378338 (or 2378334 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 1122544856 is about 33504.4005467938. The cubic root of 1122544856 is about 1039.2847819190.

The spelling of 1122544856 in words is "one billion, one hundred twenty-two million, five hundred forty-four thousand, eight hundred fifty-six".