988120 has 32 divisors (see below), whose sum is σ = 2541600. Its totient is φ = 338688.

The previous prime is 988111. The next prime is 988129. The reversal of 988120 is 21889.

It is an interprime number because it is at equal distance from previous prime (988111) and next prime (988129).

It is a super-2 number, since 2×988120² = 1952762268800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988129) by changing a digit.

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, 1485 + ... + 2044.

It is an arithmetic number, because the mean of its divisors is an integer number (79425).

2⁹⁸⁸¹²⁰ is an apocalyptic number.

It is an amenable number.

988120 is an abundant number, since it is smaller than the sum of its proper divisors (1553480).

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

988120 is a wasteful number, since it uses less digits than its factorization.

988120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547 (or 3543 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 988120 is about 994.0422526231. The cubic root of 988120 is about 99.6024214075.

The spelling of 988120 in words is "nine hundred eighty-eight thousand, one hundred twenty".