1135071200 has 144 divisors (see below), whose sum is σ = 2940061824. Its totient is φ = 427161600.

The previous prime is 1135071121. The next prime is 1135071241. The reversal of 1135071200 is 21705311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 916982 + ... + 918218.

It is an arithmetic number, because the mean of its divisors is an integer number (20417096).

Almost surely, 2^1135071200 is an apocalyptic number.

1135071200 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 1135071200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1470030912).

1135071200 is an abundant number, since it is smaller than the sum of its proper divisors (1804990624).

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

1135071200 is a wasteful number, since it uses less digits than its factorization.

1135071200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 1135071200 is about 33690.8177401499. The cubic root of 1135071200 is about 1043.1362428415.

Adding to 1135071200 its reverse (21705311), we get a palindrome (1156776511).

The spelling of 1135071200 in words is "one billion, one hundred thirty-five million, seventy-one thousand, two hundred".