120108440 has 64 divisors (see below), whose sum is σ = 276480000. Its totient is φ = 46949760.

The previous prime is 120108431. The next prime is 120108449. The reversal of 120108440 is 44801021.

It is an interprime number because it is at equal distance from previous prime (120108431) and next prime (120108449).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120108449) 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 15 ways as a sum of consecutive naturals, for example, 603461 + ... + 603659.

It is an arithmetic number, because the mean of its divisors is an integer number (4320000).

Almost surely, 2^120108440 is an apocalyptic number.

120108440 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 120108440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138240000).

120108440 is an abundant number, since it is smaller than the sum of its proper divisors (156371560).

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

120108440 is a wasteful number, since it uses less digits than its factorization.

120108440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 120108440 is about 10959.3996185923. The cubic root of 120108440 is about 493.3909457106.

Adding to 120108440 its reverse (44801021), we get a palindrome (164909461).

The spelling of 120108440 in words is "one hundred twenty million, one hundred eight thousand, four hundred forty".