1331124 has 12 divisors (see below), whose sum is σ = 3105984. Its totient is φ = 443704.

The previous prime is 1331123. The next prime is 1331153. The reversal of 1331124 is 4211331.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1331124² = 3543782206752, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331123) 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, 55452 + ... + 55475.

It is an arithmetic number, because the mean of its divisors is an integer number (258832).

2^1331124 is an apocalyptic number.

It is an amenable number.

1331124 is an abundant number, since it is smaller than the sum of its proper divisors (1774860).

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

1331124 is a wasteful number, since it uses less digits than its factorization.

1331124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110934 (or 110932 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 1331124 is about 1153.7434723542. The cubic root of 1331124 is about 110.0034158719.

Adding to 1331124 its reverse (4211331), we get a palindrome (5542455).

The spelling of 1331124 in words is "one million, three hundred thirty-one thousand, one hundred twenty-four".