1120070028 has 144 divisors (see below), whose sum is σ = 3340721664. Its totient is φ = 288812160.

The previous prime is 1120070011. The next prime is 1120070047. The reversal of 1120070028 is 8200700211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1120069986 and 1120070013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1014925 + ... + 1016027.

It is an arithmetic number, because the mean of its divisors is an integer number (23199456).

Almost surely, 2^1120070028 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 1120070028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1670360832).

1120070028 is an abundant number, since it is smaller than the sum of its proper divisors (2220651636).

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

1120070028 is a wasteful number, since it uses less digits than its factorization.

1120070028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292 (or 1283 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1120070028 is about 33467.4472883726. The cubic root of 1120070028 is about 1038.5204639654.

Adding to 1120070028 its reverse (8200700211), we get a palindrome (9320770239).

The spelling of 1120070028 in words is "one billion, one hundred twenty million, seventy thousand, twenty-eight".