1130223042 has 48 divisors (see below), whose sum is σ = 2644282368. Its totient is φ = 346825440.

The previous prime is 1130223023. The next prime is 1130223047. The reversal of 1130223042 is 2403220311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1130223047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83317 + ... + 95927.

It is an arithmetic number, because the mean of its divisors is an integer number (55089216).

Almost surely, 2^1130223042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130223042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322141184).

1130223042 is an abundant number, since it is smaller than the sum of its proper divisors (1514059326).

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

1130223042 is a wasteful number, since it uses less digits than its factorization.

1130223042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13015 (or 13012 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1130223042 is about 33618.7900139193. The cubic root of 1130223042 is about 1041.6489626460.

Adding to 1130223042 its reverse (2403220311), we get a palindrome (3533443353).

The spelling of 1130223042 in words is "one billion, one hundred thirty million, two hundred twenty-three thousand, forty-two".