1994120 has 16 divisors (see below), whose sum is σ = 4486860. Its totient is φ = 797632.

The previous prime is 1994119. The next prime is 1994143. The reversal of 1994120 is 214991.

It can be written as a sum of positive squares in 2 ways, for example, as 1865956 + 128164 = 1366^2 + 358^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1994120.

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, 24887 + ... + 24966.

2^1994120 is an apocalyptic number.

1994120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1994120 is an abundant number, since it is smaller than the sum of its proper divisors (2492740).

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

1994120 is a wasteful number, since it uses less digits than its factorization.

1994120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49864 (or 49860 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1994120 is about 1412.1331381991. The cubic root of 1994120 is about 125.8685115258.

The spelling of 1994120 in words is "one million, nine hundred ninety-four thousand, one hundred twenty".