1980175 has 12 divisors (see below), whose sum is σ = 2482480. Its totient is φ = 1566720.

The previous prime is 1980169. The next prime is 1980191. The reversal of 1980175 is 5710891.

It is not a de Polignac number, because 1980175 - 2¹⁷ = 1849103 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

1980175 is a Rhonda number in base 8.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2191 + ... + 2959.

2^1980175 is an apocalyptic number.

1980175 is a deficient number, since it is larger than the sum of its proper divisors (502305).

1980175 is a wasteful number, since it uses less digits than its factorization.

1980175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 1980175 is about 1407.1869101154. The cubic root of 1980175 is about 125.5744229296.

The spelling of 1980175 in words is "one million, nine hundred eighty thousand, one hundred seventy-five".