1161044 has 12 divisors (see below), whose sum is σ = 2102100. Its totient is φ = 560448.

The previous prime is 1161037. The next prime is 1161047. The reversal of 1161044 is 4401611.

It can be written as a sum of positive squares in 2 ways, for example, as 976144 + 184900 = 988^2 + 430^2 .

1161044 is a modest number, since divided by 1044 gives 116 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4889 + ... + 5120.

It is an arithmetic number, because the mean of its divisors is an integer number (175175).

2^1161044 is an apocalyptic number.

It is an amenable number.

1161044 is a deficient number, since it is larger than the sum of its proper divisors (941056).

1161044 is a wasteful number, since it uses less digits than its factorization.

1161044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10042 (or 10040 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1161044 is about 1077.5175172590. The cubic root of 1161044 is about 105.1032695254.

Adding to 1161044 its reverse (4401611), we get a palindrome (5562655).

It can be divided in two parts, 116 and 1044, that multiplied together give a square (121104 = 348²).

The spelling of 1161044 in words is "one million, one hundred sixty-one thousand, forty-four".