1375120 has 20 divisors (see below), whose sum is σ = 3197340. Its totient is φ = 550016.

The previous prime is 1375117. The next prime is 1375133. The reversal of 1375120 is 215731.

It can be written as a sum of positive squares in 2 ways, for example, as 944784 + 430336 = 972^2 + 656^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 8515 + ... + 8674.

It is an arithmetic number, because the mean of its divisors is an integer number (159867).

2^1375120 is an apocalyptic number.

1375120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1375120 is an abundant number, since it is smaller than the sum of its proper divisors (1822220).

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

1375120 is a wasteful number, since it uses less digits than its factorization.

1375120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17202 (or 17196 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1375120 is about 1172.6551070114. The cubic root of 1375120 is about 111.2022393145.

The spelling of 1375120 in words is "one million, three hundred seventy-five thousand, one hundred twenty".