1320075 has 18 divisors (see below), whose sum is σ = 2364804. Its totient is φ = 703920.

The previous prime is 1320061. The next prime is 1320091. The reversal of 1320075 is 5700231.

It is not a de Polignac number, because 1320075 - 2¹⁷ = 1189003 is a prime.

1320075 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2709 + ... + 3158.

It is an arithmetic number, because the mean of its divisors is an integer number (131378).

2^1320075 is an apocalyptic number.

1320075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1320075 is a deficient number, since it is larger than the sum of its proper divisors (1044729).

1320075 is a wasteful number, since it uses less digits than its factorization.

1320075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883 (or 5875 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 1320075 is about 1148.9451684045. The cubic root of 1320075 is about 109.6982085875.

The spelling of 1320075 in words is "one million, three hundred twenty thousand, seventy-five".