121433120 has 24 divisors (see below), whose sum is σ = 286886124. Its totient is φ = 48573184.

The previous prime is 121433099. The next prime is 121433129. The reversal of 121433120 is 21334121.

It can be written as a sum of positive squares in 2 ways, for example, as 119159056 + 2274064 = 10916^2 + 1508^2 .

It is not an unprimeable number, because it can be changed into a prime (121433129) 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 3 ways as a sum of consecutive naturals, for example, 379319 + ... + 379638.

Almost surely, 2^121433120 is an apocalyptic number.

121433120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121433120 is an abundant number, since it is smaller than the sum of its proper divisors (165453004).

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

121433120 is an equidigital number, since it uses as much as digits as its factorization.

121433120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758972 (or 758964 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121433120 is about 11019.6696865196. The cubic root of 121433120 is about 495.1981929201.

Adding to 121433120 its reverse (21334121), we get a palindrome (142767241).

The spelling of 121433120 in words is "one hundred twenty-one million, four hundred thirty-three thousand, one hundred twenty".