120731960 has 64 divisors (see below), whose sum is σ = 294386400. Its totient is φ = 44384256.

The previous prime is 120731903. The next prime is 120732019. The reversal of 120731960 is 69137021.

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 15 ways as a sum of consecutive naturals, for example, 27176 + ... + 31304.

Almost surely, 2^120731960 is an apocalyptic number.

120731960 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 120731960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147193200).

120731960 is an abundant number, since it is smaller than the sum of its proper divisors (173654440).

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

120731960 is a wasteful number, since it uses less digits than its factorization.

120731960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200 (or 4196 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 120731960 is about 10987.8096088347. The cubic root of 120731960 is about 494.2432541262.

Adding to 120731960 its reverse (69137021), we get a palindrome (189868981).

The spelling of 120731960 in words is "one hundred twenty million, seven hundred thirty-one thousand, nine hundred sixty".