1171044 has 48 divisors (see below), whose sum is σ = 3472000. Its totient is φ = 334368.

The previous prime is 1171039. The next prime is 1171057. The reversal of 1171044 is 4401711.

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19 + ... + 1530.

2^1171044 is an apocalyptic number.

1171044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1171044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736000).

1171044 is an abundant number, since it is smaller than the sum of its proper divisors (2300956).

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

1171044 is a wasteful number, since it uses less digits than its factorization.

1171044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 1171044 is about 1082.1478642034. The cubic root of 1171044 is about 105.4041566460.

Adding to 1171044 its reverse (4401711), we get a palindrome (5572755).

The spelling of 1171044 in words is "one million, one hundred seventy-one thousand, forty-four".