1130220078 has 128 divisors (see below), whose sum is σ = 2666079360. Its totient is φ = 316293120.

The previous prime is 1130220059. The next prime is 1130220079. The reversal of 1130220078 is 8700220311.

1130220078 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130220079) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7198776 + ... + 7198932.

It is an arithmetic number, because the mean of its divisors is an integer number (20828745).

Almost surely, 2^1130220078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130220078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333039680).

1130220078 is an abundant number, since it is smaller than the sum of its proper divisors (1535859282).

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

1130220078 is a wasteful number, since it uses less digits than its factorization.

1130220078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1130220078 is about 33618.7459313996. The cubic root of 1130220078 is about 1041.6480520734.

Adding to 1130220078 its reverse (8700220311), we get a palindrome (9830440389).

The spelling of 1130220078 in words is "one billion, one hundred thirty million, two hundred twenty thousand, seventy-eight".