1323128 has 8 divisors (see below), whose sum is σ = 2480880. Its totient is φ = 661560.

The previous prime is 1323109. The next prime is 1323131. The reversal of 1323128 is 8213231.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82688 + ... + 82703.

It is an arithmetic number, because the mean of its divisors is an integer number (310110).

2^1323128 is an apocalyptic number.

It is an amenable number.

1323128 is a deficient number, since it is larger than the sum of its proper divisors (1157752).

1323128 is a wasteful number, since it uses less digits than its factorization.

1323128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165397 (or 165393 counting only the distinct ones).

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

The square root of 1323128 is about 1150.2730110717. The cubic root of 1323128 is about 109.7827115579.

Adding to 1323128 its reverse (8213231), we get a palindrome (9536359).

The spelling of 1323128 in words is "one million, three hundred twenty-three thousand, one hundred twenty-eight".