120339540 has 192 divisors, whose sum is σ = 406022400. Its totient is φ = 29486592.

The previous prime is 120339539. The next prime is 120339563. The reversal of 120339540 is 45933021.

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

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 379462 + ... + 379778.

It is an arithmetic number, because the mean of its divisors is an integer number (2114700).

Almost surely, 2^120339540 is an apocalyptic number.

120339540 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 120339540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203011200).

120339540 is an abundant number, since it is smaller than the sum of its proper divisors (285682860).

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

120339540 is a wasteful number, since it uses less digits than its factorization.

120339540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 120339540 is about 10969.9380125869. The cubic root of 120339540 is about 493.7071865884.

The spelling of 120339540 in words is "one hundred twenty million, three hundred thirty-nine thousand, five hundred forty".