120117450 has 24 divisors (see below), whose sum is σ = 297891648. Its totient is φ = 32031280.

The previous prime is 120117433. The next prime is 120117457. The reversal of 120117450 is 54711021.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120117457) 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 11 ways as a sum of consecutive naturals, for example, 400242 + ... + 400541.

It is an arithmetic number, because the mean of its divisors is an integer number (12412152).

Almost surely, 2^120117450 is an apocalyptic number.

120117450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120117450 is an abundant number, since it is smaller than the sum of its proper divisors (177774198).

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

120117450 is a wasteful number, since it uses less digits than its factorization.

120117450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800798 (or 800793 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 120117450 is about 10959.8106735472. The cubic root of 120117450 is about 493.4032827322.

Adding to 120117450 its reverse (54711021), we get a palindrome (174828471).

The spelling of 120117450 in words is "one hundred twenty million, one hundred seventeen thousand, four hundred fifty".