1331044 has 36 divisors (see below), whose sum is σ = 2766960. Its totient is φ = 555360.

The previous prime is 1331041. The next prime is 1331051. The reversal of 1331044 is 4401331.

It is not an unprimeable number, because it can be changed into a prime (1331041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7347 + ... + 7525.

It is an arithmetic number, because the mean of its divisors is an integer number (76860).

2^1331044 is an apocalyptic number.

It is an amenable number.

1331044 is an abundant number, since it is smaller than the sum of its proper divisors (1435916).

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

1331044 is a wasteful number, since it uses less digits than its factorization.

1331044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1331044 is about 1153.7088020814. The cubic root of 1331044 is about 110.0012121079.

Adding to 1331044 its reverse (4401331), we get a palindrome (5732375).

The spelling of 1331044 in words is "one million, three hundred thirty-one thousand, forty-four".