121419830 has 32 divisors (see below), whose sum is σ = 250447680. Its totient is φ = 41518080.

The previous prime is 121419827. The next prime is 121419863. The reversal of 121419830 is 38914121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121419793 and 121419802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26510 + ... + 30750.

It is an arithmetic number, because the mean of its divisors is an integer number (7826490).

Almost surely, 2^121419830 is an apocalyptic number.

121419830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121419830 is an abundant number, since it is smaller than the sum of its proper divisors (129027850).

121419830 is a wasteful number, since it uses less digits than its factorization.

121419830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4664.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 121419830 is about 11019.0666573898. The cubic root of 121419830 is about 495.1801269425.

The spelling of 121419830 in words is "one hundred twenty-one million, four hundred nineteen thousand, eight hundred thirty".