1130021200 has 240 divisors, whose sum is σ = 3564771840. Its totient is φ = 333504000.

The previous prime is 1130021171. The next prime is 1130021227. The reversal of 1130021200 is 21200311.

It is a super-3 number, since 3×1130021200³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 584235 + ... + 586165.

It is an arithmetic number, because the mean of its divisors is an integer number (14853216).

Almost surely, 2^1130021200 is an apocalyptic number.

1130021200 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 1130021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782385920).

1130021200 is an abundant number, since it is smaller than the sum of its proper divisors (2434750640).

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

1130021200 is a wasteful number, since it uses less digits than its factorization.

1130021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1130021200 is about 33615.7879574464. The cubic root of 1130021200 is about 1041.5869509842.

Adding to 1130021200 its reverse (21200311), we get a palindrome (1151221511).

The spelling of 1130021200 in words is "one billion, one hundred thirty million, twenty-one thousand, two hundred".