1133400 has 48 divisors (see below), whose sum is σ = 3515400. Its totient is φ = 302080.

The previous prime is 1133387. The next prime is 1133459. The reversal of 1133400 is 43311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345 + ... + 1544.

2^1133400 is an apocalyptic number.

1133400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133400 is an abundant number, since it is smaller than the sum of its proper divisors (2382000).

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

1133400 is a wasteful number, since it uses less digits than its factorization.

1133400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1133400 is about 1064.6126055989. The cubic root of 1133400 is about 104.2624044266.

Adding to 1133400 its reverse (43311), we get a palindrome (1176711).

It can be divided in two parts, 11 and 33400, that added together give a triangular number (33411 = T₂₅₈).

The spelling of 1133400 in words is "one million, one hundred thirty-three thousand, four hundred".