121433450 has 24 divisors (see below), whose sum is σ = 226375392. Its totient is φ = 48463920.

The previous prime is 121433449. The next prime is 121433471. The reversal of 121433450 is 54334121.

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 11 ways as a sum of consecutive naturals, for example, 21857 + ... + 26843.

It is an arithmetic number, because the mean of its divisors is an integer number (9432308).

Almost surely, 2^121433450 is an apocalyptic number.

121433450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121433450 is a deficient number, since it is larger than the sum of its proper divisors (104941942).

121433450 is a wasteful number, since it uses less digits than its factorization.

121433450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 121433450 is about 11019.6846597351. The cubic root of 121433450 is about 495.1986414942.

Adding to 121433450 its reverse (54334121), we get a palindrome (175767571).

The spelling of 121433450 in words is "one hundred twenty-one million, four hundred thirty-three thousand, four hundred fifty".