119820 has 24 divisors (see below), whose sum is σ = 335664. Its totient is φ = 31936.

The previous prime is 119813. The next prime is 119827. The reversal of 119820 is 28911.

119820 = 34² + 35² + ... + 73².

119820 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (119813) and next prime (119827).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 119820.

It is not an unprimeable number, because it can be changed into a prime (119827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939 + ... + 1058.

It is an arithmetic number, because the mean of its divisors is an integer number (13986).

2¹¹⁹⁸²⁰ is an apocalyptic number.

119820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

119820 is an abundant number, since it is smaller than the sum of its proper divisors (215844).

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

119820 is a wasteful number, since it uses less digits than its factorization.

119820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009 (or 2007 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 119820 is about 346.1502563916. The cubic root of 119820 is about 49.2995670245.

Subtracting from 119820 its reverse (28911), we obtain a palindrome (90909).

It can be divided in two parts, 119 and 820, that added together give a palindrome (939).

The spelling of 119820 in words is "one hundred nineteen thousand, eight hundred twenty".