1130122320 has 80 divisors (see below), whose sum is σ = 3506680320. Its totient is φ = 301082112.

The previous prime is 1130122297. The next prime is 1130122321. The reversal of 1130122320 is 232210311.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1130122320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130122321) 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, 420822 + ... + 423498.

It is an arithmetic number, because the mean of its divisors is an integer number (43833504).

Almost surely, 2^1130122320 is an apocalyptic number.

1130122320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130122320 is an abundant number, since it is smaller than the sum of its proper divisors (2376558000).

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

1130122320 is a wasteful number, since it uses less digits than its factorization.

1130122320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4452 (or 4446 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1130122320 is about 33617.2919789801. The cubic root of 1130122320 is about 1041.6180188765.

Adding to 1130122320 its reverse (232210311), we get a palindrome (1362332631).

The spelling of 1130122320 in words is "one billion, one hundred thirty million, one hundred twenty-two thousand, three hundred twenty".