120112550 has 24 divisors (see below), whose sum is σ = 225469200. Its totient is φ = 47602080.

The previous prime is 120112549. The next prime is 120112571. The reversal of 120112550 is 55211021.

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 11 ways as a sum of consecutive naturals, for example, 5570 + ... + 16469.

It is an arithmetic number, because the mean of its divisors is an integer number (9394550).

Almost surely, 2^120112550 is an apocalyptic number.

120112550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120112550 is a deficient number, since it is larger than the sum of its proper divisors (105356650).

120112550 is a wasteful number, since it uses less digits than its factorization.

120112550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22160 (or 22155 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 120112550 is about 10959.5871272599. The cubic root of 120112550 is about 493.3965734407.

Adding to 120112550 its reverse (55211021), we get a palindrome (175323571).

The spelling of 120112550 in words is "one hundred twenty million, one hundred twelve thousand, five hundred fifty".