121430450 has 24 divisors (see below), whose sum is σ = 227597040. Its totient is φ = 48198800.

The previous prime is 121430423. The next prime is 121430459. The reversal of 121430450 is 54034121.

It is not an unprimeable number, because it can be changed into a prime (121430459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2720 + ... + 15819.

It is an arithmetic number, because the mean of its divisors is an integer number (9483210).

Almost surely, 2^121430450 is an apocalyptic number.

121430450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121430450 is a deficient number, since it is larger than the sum of its proper divisors (106166590).

121430450 is a wasteful number, since it uses less digits than its factorization.

121430450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18682 (or 18677 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 121430450 is about 11019.5485388468. The cubic root of 121430450 is about 495.1945635180.

Adding to 121430450 its reverse (54034121), we get a palindrome (175464571).

The spelling of 121430450 in words is "one hundred twenty-one million, four hundred thirty thousand, four hundred fifty".