1122778360 has 64 divisors (see below), whose sum is σ = 2778818400. Its totient is φ = 408263680.

The previous prime is 1122778339. The next prime is 1122778369. The reversal of 1122778360 is 638772211.

1122778360 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122778369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42696 + ... + 63784.

Almost surely, 2^1122778360 is an apocalyptic number.

1122778360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1122778360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1389409200).

1122778360 is an abundant number, since it is smaller than the sum of its proper divisors (1656040040).

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

1122778360 is a wasteful number, since it uses less digits than its factorization.

1122778360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21133 (or 21107 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 1122778360 is about 33507.8850421807. The cubic root of 1122778360 is about 1039.3568385285.

The spelling of 1122778360 in words is "one billion, one hundred twenty-two million, seven hundred seventy-eight thousand, three hundred sixty".