1135489 has 4 divisors (see below), whose sum is σ = 1140480. Its totient is φ = 1130500.

The previous prime is 1135483. The next prime is 1135513. The reversal of 1135489 is 9845311.

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 1135489 - 2⁹ = 1134977 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1135489.

It is not an unprimeable number, because it can be changed into a prime (1135483) 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, 2137 + ... + 2614.

It is an arithmetic number, because the mean of its divisors is an integer number (285120).

2^1135489 is an apocalyptic number.

It is an amenable number.

1135489 is a deficient number, since it is larger than the sum of its proper divisors (4991).

1135489 is an equidigital number, since it uses as much as digits as its factorization.

1135489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990.

The product of its digits is 4320, while the sum is 31.

The square root of 1135489 is about 1065.5932619907. The cubic root of 1135489 is about 104.3264213921.

The spelling of 1135489 in words is "one million, one hundred thirty-five thousand, four hundred eighty-nine".