982120842 has 32 divisors (see below), whose sum is σ = 2194570560. Its totient is φ = 325561680.

The previous prime is 982120831. The next prime is 982120891. The reversal of 982120842 is 248021289.

It is a super-2 number, since 2×982120842² = 1929122696581577928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 982120797 and 982120806.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40468 + ... + 60015.

It is an arithmetic number, because the mean of its divisors is an integer number (68580330).

Almost surely, 2^982120842 is an apocalyptic number.

982120842 is an abundant number, since it is smaller than the sum of its proper divisors (1212449718).

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

982120842 is a wasteful number, since it uses less digits than its factorization.

982120842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100675 (or 100669 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 982120842 is about 31338.8072842602. The cubic root of 982120842 is about 994.0044053530.

The spelling of 982120842 in words is "nine hundred eighty-two million, one hundred twenty thousand, eight hundred forty-two".