1329075 has 48 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 640800.

The previous prime is 1329073. The next prime is 1329091. The reversal of 1329075 is 5709231.

It is not a de Polignac number, because 1329075 - 2¹ = 1329073 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1329073) 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 47 ways as a sum of consecutive naturals, for example, 7336 + ... + 7514.

It is an arithmetic number, because the mean of its divisors is an integer number (55800).

2^1329075 is an apocalyptic number.

1329075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1329075 is an abundant number, since it is smaller than the sum of its proper divisors (1349325).

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

1329075 is a wasteful number, since it uses less digits than its factorization.

1329075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1329075 is about 1152.8551513525. The cubic root of 1329075 is about 109.9469441108.

The spelling of 1329075 in words is "one million, three hundred twenty-nine thousand, seventy-five".