980120 has 32 divisors (see below), whose sum is σ = 2235600. Its totient is φ = 386688.

The previous prime is 980117. The next prime is 980131. The reversal of 980120 is 21089.

980120 = T₄₉₁ + T₄₉₂ + ... + T₄₉₈.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 980092 and 980101.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4166 + ... + 4394.

2⁹⁸⁰¹²⁰ is an apocalyptic number.

It is an amenable number.

980120 is an abundant number, since it is smaller than the sum of its proper divisors (1255480).

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

980120 is a wasteful number, since it uses less digits than its factorization.

980120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 980120 is about 990.0101009586. The cubic root of 980120 is about 99.3328929108.

Subtracting from 980120 its sum of digits (20), we obtain a square (980100 = 990²).

The spelling of 980120 in words is "nine hundred eighty thousand, one hundred twenty".