120392028 has 96 divisors (see below), whose sum is σ = 344977920. Its totient is φ = 36115200.

The previous prime is 120392023. The next prime is 120392029. The reversal of 120392028 is 820293021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 120391992 and 120392010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120392023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40803 + ... + 43653.

It is an arithmetic number, because the mean of its divisors is an integer number (3593520).

Almost surely, 2^120392028 is an apocalyptic number.

120392028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120392028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172488960).

120392028 is an abundant number, since it is smaller than the sum of its proper divisors (224585892).

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

120392028 is a wasteful number, since it uses less digits than its factorization.

120392028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904 (or 2896 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 120392028 is about 10972.3301080491. The cubic root of 120392028 is about 493.7789555630.

The spelling of 120392028 in words is "one hundred twenty million, three hundred ninety-two thousand, twenty-eight".