121430330 has 48 divisors (see below), whose sum is σ = 267662880. Its totient is φ = 39439008.

The previous prime is 121430299. The next prime is 121430333. The reversal of 121430330 is 33034121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121430299 and 121430308.

It is not an unprimeable number, because it can be changed into a prime (121430333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2789 + ... + 15831.

It is an arithmetic number, because the mean of its divisors is an integer number (5576310).

Almost surely, 2^121430330 is an apocalyptic number.

121430330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121430330 is an abundant number, since it is smaller than the sum of its proper divisors (146232550).

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

121430330 is a wasteful number, since it uses less digits than its factorization.

121430330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13083 (or 13076 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 121430330 is about 11019.5430939763. The cubic root of 121430330 is about 495.1944003976.

Adding to 121430330 its reverse (33034121), we get a palindrome (154464451).

The spelling of 121430330 in words is "one hundred twenty-one million, four hundred thirty thousand, three hundred thirty".