4120992 has 72 divisors (see below), whose sum is σ = 12039300. Its totient is φ = 1336320.

The previous prime is 4120981. The next prime is 4120993. The reversal of 4120992 is 2990214.

4120992 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 4016016 + 104976 = 2004^2 + 324^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120993) 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 11 ways as a sum of consecutive naturals, for example, 11634 + ... + 11982.

Almost surely, 2^4120992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4120992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6019650).

4120992 is an abundant number, since it is smaller than the sum of its proper divisors (7918308).

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

4120992 is a wasteful number, since it uses less digits than its factorization.

4120992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 395 counting only the distinct ones).

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

The square root of 4120992 is about 2030.0226599721. The cubic root of 4120992 is about 160.3247570510.

The spelling of 4120992 in words is "four million, one hundred twenty thousand, nine hundred ninety-two".