1982141 has 4 divisors (see below), whose sum is σ = 2265312. Its totient is φ = 1698972.

The previous prime is 1982129. The next prime is 1982153. The reversal of 1982141 is 1412891.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1412891 = 173 ⋅8167.

It is an interprime number because it is at equal distance from previous prime (1982129) and next prime (1982153).

It is a cyclic number.

It is not a de Polignac number, because 1982141 - 2⁶ = 1982077 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1982141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141575 + ... + 141588.

It is an arithmetic number, because the mean of its divisors is an integer number (566328).

2^1982141 is an apocalyptic number.

It is an amenable number.

1982141 is a deficient number, since it is larger than the sum of its proper divisors (283171).

1982141 is an equidigital number, since it uses as much as digits as its factorization.

1982141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283170.

The product of its digits is 576, while the sum is 26.

The square root of 1982141 is about 1407.8852936230. The cubic root of 1982141 is about 125.6159676847.

The spelling of 1982141 in words is "one million, nine hundred eighty-two thousand, one hundred forty-one".