9942120 has 48 divisors (see below), whose sum is σ = 32313060. Its totient is φ = 2651136.

The previous prime is 9942077. The next prime is 9942133. The reversal of 9942120 is 212499.

9942120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8054244 + 1887876 = 2838^2 + 1374^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13449 + ... + 14168.

Almost surely, 2^9942120 is an apocalyptic number.

9942120 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9942120 is an abundant number, since it is smaller than the sum of its proper divisors (22370940).

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

9942120 is a wasteful number, since it uses less digits than its factorization.

9942120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27634 (or 27627 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 9942120 is about 3153.1127477463. The cubic root of 9942120 is about 215.0270021972.

The spelling of 9942120 in words is "nine million, nine hundred forty-two thousand, one hundred twenty".