1331048 has 16 divisors (see below), whose sum is σ = 2508000. Its totient is φ = 662256.

The previous prime is 1331041. The next prime is 1331051. The reversal of 1331048 is 8401331.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 2813 + ... + 3251.

It is an arithmetic number, because the mean of its divisors is an integer number (156750).

2^1331048 is an apocalyptic number.

It is an amenable number.

1331048 is a deficient number, since it is larger than the sum of its proper divisors (1176952).

1331048 is a wasteful number, since it uses less digits than its factorization.

1331048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1331048 is about 1153.7105356197. The cubic root of 1331048 is about 110.0013222982.

Adding to 1331048 its reverse (8401331), we get a palindrome (9732379).

The spelling of 1331048 in words is "one million, three hundred thirty-one thousand, forty-eight".