1328124 has 48 divisors (see below), whose sum is σ = 3600128. Its totient is φ = 373248.

The previous prime is 1328111. The next prime is 1328143. The reversal of 1328124 is 4218231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1328124.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8067 + ... + 8229.

2^1328124 is an apocalyptic number.

1328124 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 1328124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800064).

1328124 is an abundant number, since it is smaller than the sum of its proper divisors (2272004).

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

1328124 is a wasteful number, since it uses less digits than its factorization.

1328124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 272 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1328124 is about 1152.4426233006. The cubic root of 1328124 is about 109.9207142160.

It can be divided in two parts, 132 and 8124, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 1328124 in words is "one million, three hundred twenty-eight thousand, one hundred twenty-four".