1133389 has 4 divisors (see below), whose sum is σ = 1135840. Its totient is φ = 1130940.

The previous prime is 1133387. The next prime is 1133459. The reversal of 1133389 is 9833311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1133389 - 2¹ = 1133387 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297 + ... + 1534.

It is an arithmetic number, because the mean of its divisors is an integer number (283960).

2^1133389 is an apocalyptic number.

It is an amenable number.

1133389 is a deficient number, since it is larger than the sum of its proper divisors (2451).

1133389 is an equidigital number, since it uses as much as digits as its factorization.

1133389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450.

The product of its digits is 1944, while the sum is 28.

The square root of 1133389 is about 1064.6074393879. The cubic root of 1133389 is about 104.2620671258.

The spelling of 1133389 in words is "one million, one hundred thirty-three thousand, three hundred eighty-nine".