120121450 has 24 divisors (see below), whose sum is σ = 223741260. Its totient is φ = 47980800.

The previous prime is 120121409. The next prime is 120121457. The reversal of 120121450 is 54121021.

It can be written as a sum of positive squares in 6 ways, for example, as 3286969 + 116834481 = 1813^2 + 10809^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121457) 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, 49260 + ... + 51640.

Almost surely, 2^120121450 is an apocalyptic number.

120121450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120121450 is a deficient number, since it is larger than the sum of its proper divisors (103619810).

120121450 is a wasteful number, since it uses less digits than its factorization.

120121450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3402 (or 3397 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 120121450 is about 10959.9931569322. The cubic root of 120121450 is about 493.4087595696.

Adding to 120121450 its reverse (54121021), we get a palindrome (174242471).

The spelling of 120121450 in words is "one hundred twenty million, one hundred twenty-one thousand, four hundred fifty".