1135944 has 40 divisors (see below), whose sum is σ = 3183510. Its totient is φ = 378432.

The previous prime is 1135921. The next prime is 1135951. The reversal of 1135944 is 4495311.

It can be written as a sum of positive squares in only one way, i.e., 1127844 + 8100 = 1062^2 + 90^2 .

It is a super-2 number, since 2×1135944² = 2580737542272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 229 + ... + 1524.

2^1135944 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 1135944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1591755).

1135944 is an abundant number, since it is smaller than the sum of its proper divisors (2047566).

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

1135944 is a wasteful number, since it uses less digits than its factorization.

1135944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771 (or 1758 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1135944 is about 1065.8067367023. The cubic root of 1135944 is about 104.3403543563.

The spelling of 1135944 in words is "one million, one hundred thirty-five thousand, nine hundred forty-four".