1133100 has 54 divisors (see below), whose sum is σ = 3554460. Its totient is φ = 301920.

The previous prime is 1133071. The next prime is 1133131. The reversal of 1133100 is 13311.

It is a super-3 number, since 3×1133100³ = 4364414333073000000, which 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 (9).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 271 + ... + 1529.

2^1133100 is an apocalyptic number.

1133100 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 1133100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1777230).

1133100 is an abundant number, since it is smaller than the sum of its proper divisors (2421360).

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

1133100 is a wasteful number, since it uses less digits than its factorization.

1133100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 9.

The square root of 1133100 is about 1064.4716999526. The cubic root of 1133100 is about 104.2532045320.

Adding to 1133100 its reverse (13311), we get a palindrome (1146411).

The spelling of 1133100 in words is "one million, one hundred thirty-three thousand, one hundred".