1135044 has 36 divisors (see below), whose sum is σ = 2942940. Its totient is φ = 368640.

The previous prime is 1135021. The next prime is 1135061. The reversal of 1135044 is 4405311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 213444 + 921600 = 462^2 + 960^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1092 + ... + 1860.

2^1135044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1135044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1471470).

1135044 is an abundant number, since it is smaller than the sum of its proper divisors (1807896).

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

1135044 is a wasteful number, since it uses less digits than its factorization.

1135044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1135044 is about 1065.3844376562. The cubic root of 1135044 is about 104.3127910462.

The spelling of 1135044 in words is "one million, one hundred thirty-five thousand, forty-four".