1130421204 has 144 divisors (see below), whose sum is σ = 3362325120. Its totient is φ = 327571200.

The previous prime is 1130421203. The next prime is 1130421217. The reversal of 1130421204 is 4021240311.

1130421204 is a `hidden beast` number, since 11 + 30 + 421 + 204 = 666.

It is a super-3 number, since 3×1130421204³ (a number of 28 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130421203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298684 + ... + 302444.

It is an arithmetic number, because the mean of its divisors is an integer number (23349480).

Almost surely, 2^1130421204 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 1130421204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681162560).

1130421204 is an abundant number, since it is smaller than the sum of its proper divisors (2231903916).

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

1130421204 is a wasteful number, since it uses less digits than its factorization.

1130421204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819 (or 3800 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1130421204 is about 33621.7370758859. The cubic root of 1130421204 is about 1041.7098365241.

Adding to 1130421204 its reverse (4021240311), we get a palindrome (5151661515).

The spelling of 1130421204 in words is "one billion, one hundred thirty million, four hundred twenty-one thousand, two hundred four".