1321332124 has 24 divisors (see below), whose sum is σ = 2781752960. Its totient is φ = 536480496.

The previous prime is 1321332119. The next prime is 1321332151. The reversal of 1321332124 is 4212331231.

It is a junction number, because it is equal to n+sod(n) for n = 1321332095 and 1321332104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241322 + ... + 1242385.

Almost surely, 2^1321332124 is an apocalyptic number.

1321332124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1321332124 is an abundant number, since it is smaller than the sum of its proper divisors (1460420836).

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

1321332124 is a wasteful number, since it uses less digits than its factorization.

1321332124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483737 (or 2483735 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 1321332124 is about 36350.1323794013. The cubic root of 1321332124 is about 1097.3301986669.

Adding to 1321332124 its reverse (4212331231), we get a palindrome (5533663355).

The spelling of 1321332124 in words is "one billion, three hundred twenty-one million, three hundred thirty-two thousand, one hundred twenty-four".