1331064 has 96 divisors (see below), whose sum is σ = 4368000. Its totient is φ = 357696.

The previous prime is 1331063. The next prime is 1331093. The reversal of 1331064 is 4601331.

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

It is a taxicab number since it can be written as a sum of two cubes in more than one way. Here 1331064 = 4³ + 110³ = 67³ + 101³.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331063) 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 23 ways as a sum of consecutive naturals, for example, 9507 + ... + 9645.

It is an arithmetic number, because the mean of its divisors is an integer number (45500).

2^1331064 is an apocalyptic number.

1331064 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 1331064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2184000).

1331064 is an abundant number, since it is smaller than the sum of its proper divisors (3036936).

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

1331064 is a wasteful number, since it uses less digits than its factorization.

1331064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1331064 is about 1153.7174697473. The cubic root of 1331064 is about 110.0017630571.

Adding to 1331064 its reverse (4601331), we get a palindrome (5932395).

The spelling of 1331064 in words is "one million, three hundred thirty-one thousand, sixty-four".