120195040 has 72 divisors (see below), whose sum is σ = 330343272. Its totient is φ = 41207040.

The previous prime is 120194983. The next prime is 120195073. The reversal of 120195040 is 40591021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175 + ... + 15505.

It is an arithmetic number, because the mean of its divisors is an integer number (4588101).

Almost surely, 2^120195040 is an apocalyptic number.

120195040 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 120195040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165171636).

120195040 is an abundant number, since it is smaller than the sum of its proper divisors (210148232).

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

120195040 is a wasteful number, since it uses less digits than its factorization.

120195040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15360 (or 15345 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 120195040 is about 10963.3498530331. The cubic root of 120195040 is about 493.5094979980.

The spelling of 120195040 in words is "one hundred twenty million, one hundred ninety-five thousand, forty".