1133900 has 72 divisors (see below), whose sum is σ = 2812320. Its totient is φ = 394240.

The previous prime is 1133897. The next prime is 1133903. The reversal of 1133900 is 93311.

It is an interprime number because it is at equal distance from previous prime (1133897) and next prime (1133903).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1133903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39086 + ... + 39114.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2^1133900 is an apocalyptic number.

1133900 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 1133900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406160).

1133900 is an abundant number, since it is smaller than the sum of its proper divisors (1678420).

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

1133900 is a wasteful number, since it uses less digits than its factorization.

1133900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1133900 is about 1064.8474069086. The cubic root of 1133900 is about 104.2777339773.

The spelling of 1133900 in words is "one million, one hundred thirty-three thousand, nine hundred".