120245040 has 160 divisors (see below), whose sum is σ = 417830400. Its totient is φ = 31783680.

The previous prime is 120245033. The next prime is 120245093. The reversal of 120245040 is 40542021.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 31 ways as a sum of consecutive naturals, for example, 386485 + ... + 386795.

It is an arithmetic number, because the mean of its divisors is an integer number (2611440).

Almost surely, 2^120245040 is an apocalyptic number.

120245040 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 120245040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208915200).

120245040 is an abundant number, since it is smaller than the sum of its proper divisors (297585360).

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

120245040 is a wasteful number, since it uses less digits than its factorization.

120245040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 120245040 is about 10965.6299408652. The cubic root of 120245040 is about 493.5779202727.

Adding to 120245040 its reverse (40542021), we get a palindrome (160787061).

The spelling of 120245040 in words is "one hundred twenty million, two hundred forty-five thousand, forty".