120109950 has 72 divisors (see below), whose sum is σ = 326430000. Its totient is φ = 31658880.

The previous prime is 120109931. The next prime is 120109991. The reversal of 120109950 is 59901021.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38551 + ... + 41549.

It is an arithmetic number, because the mean of its divisors is an integer number (4533750).

Almost surely, 2^120109950 is an apocalyptic number.

120109950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120109950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163215000).

120109950 is an abundant number, since it is smaller than the sum of its proper divisors (206320050).

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

120109950 is a wasteful number, since it uses less digits than its factorization.

120109950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106 (or 3098 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 120109950 is about 10959.4685090108. The cubic root of 120109950 is about 493.3930133344.

The spelling of 120109950 in words is "one hundred twenty million, one hundred nine thousand, nine hundred fifty".