120302140 has 72 divisors (see below), whose sum is σ = 295757280. Its totient is φ = 40265088.

The previous prime is 120302131. The next prime is 120302177. The reversal of 120302140 is 41203021.

It is a self number, because there is not a number n which added to its sum of digits gives 120302140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309066 + ... + 309454.

It is an arithmetic number, because the mean of its divisors is an integer number (4107740).

Almost surely, 2^120302140 is an apocalyptic number.

120302140 is a gapful number since it is divisible by the number (10) 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 120302140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147878640).

120302140 is an abundant number, since it is smaller than the sum of its proper divisors (175455140).

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

120302140 is a wasteful number, since it uses less digits than its factorization.

120302140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 120302140 is about 10968.2332214446. The cubic root of 120302140 is about 493.6560353155.

Adding to 120302140 its reverse (41203021), we get a palindrome (161505161).

The spelling of 120302140 in words is "one hundred twenty million, three hundred two thousand, one hundred forty".