1375875 has 24 divisors (see below), whose sum is σ = 2482272. Its totient is φ = 733200.

The previous prime is 1375853. The next prime is 1375877. The reversal of 1375875 is 5785731.

It is not a de Polignac number, because 1375875 - 2⁷ = 1375747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1375877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 514 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (103428).

2^1375875 is an apocalyptic number.

1375875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1375875 is a deficient number, since it is larger than the sum of its proper divisors (1106397).

1375875 is a wasteful number, since it uses less digits than its factorization.

1375875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1231 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 1375875 is about 1172.9769818713. The cubic root of 1375875 is about 111.2225871944. Note that the first 3 decimals are identical.

The spelling of 1375875 in words is "one million, three hundred seventy-five thousand, eight hundred seventy-five".