121233430 has 16 divisors (see below), whose sum is σ = 219366144. Its totient is φ = 48238720.

The previous prime is 121233421. The next prime is 121233449. The reversal of 121233430 is 34332121.

It is a junction number, because it is equal to n+sod(n) for n = 121233398 and 121233407.

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 7 ways as a sum of consecutive naturals, for example, 29827 + ... + 33646.

It is an arithmetic number, because the mean of its divisors is an integer number (13710384).

Almost surely, 2^121233430 is an apocalyptic number.

121233430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121233430 is a deficient number, since it is larger than the sum of its proper divisors (98132714).

121233430 is a wasteful number, since it uses less digits than its factorization.

121233430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63671.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 121233430 is about 11010.6053421236. The cubic root of 121233430 is about 494.9266020478.

Adding to 121233430 its reverse (34332121), we get a palindrome (155565551).

The spelling of 121233430 in words is "one hundred twenty-one million, two hundred thirty-three thousand, four hundred thirty".