982121920 has 56 divisors (see below), whose sum is σ = 2518586784. Its totient is φ = 362628096.

The previous prime is 982121911. The next prime is 982121923. The reversal of 982121920 is 29121289.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982121923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113884 + ... + 122203.

It is an arithmetic number, because the mean of its divisors is an integer number (44974764).

Almost surely, 2^982121920 is an apocalyptic number.

It is an amenable number.

982121920 is an abundant number, since it is smaller than the sum of its proper divisors (1536464864).

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

982121920 is a wasteful number, since it uses less digits than its factorization.

982121920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236117 (or 236107 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 982121920 is about 31338.8244833784. The cubic root of 982121920 is about 994.0047690341.

The spelling of 982121920 in words is "nine hundred eighty-two million, one hundred twenty-one thousand, nine hundred twenty".