1130430420 has 144 divisors (see below), whose sum is σ = 3929103360. Its totient is φ = 257707008.

The previous prime is 1130430373. The next prime is 1130430421. The reversal of 1130430420 is 240340311.

It is a super-3 number, since 3×1130430420³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a junction number, because it is equal to n+sod(n) for n = 1130430393 and 1130430402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130430421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 602604 + ... + 604476.

It is an arithmetic number, because the mean of its divisors is an integer number (27285440).

Almost surely, 2^1130430420 is an apocalyptic number.

1130430420 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 1130430420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1964551680).

1130430420 is an abundant number, since it is smaller than the sum of its proper divisors (2798672940).

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

1130430420 is a wasteful number, since it uses less digits than its factorization.

1130430420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374 (or 2369 counting only the distinct ones).

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

The square root of 1130430420 is about 33621.8741297983. The cubic root of 1130430420 is about 1041.7126674370.

Adding to 1130430420 its reverse (240340311), we get a palindrome (1370770731).

The spelling of 1130430420 in words is "one billion, one hundred thirty million, four hundred thirty thousand, four hundred twenty".