121206230 has 32 divisors (see below), whose sum is σ = 225488448. Its totient is φ = 46883200.

The previous prime is 121206223. The next prime is 121206257. The reversal of 121206230 is 32602121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121206199 and 121206208.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 36020 + ... + 39240.

It is an arithmetic number, because the mean of its divisors is an integer number (7046514).

Almost surely, 2^121206230 is an apocalyptic number.

121206230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121206230 is a deficient number, since it is larger than the sum of its proper divisors (104282218).

121206230 is a wasteful number, since it uses less digits than its factorization.

121206230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121206230 is about 11009.3701000557. The cubic root of 121206230 is about 494.8895852765.

Adding to 121206230 its reverse (32602121), we get a palindrome (153808351).

The spelling of 121206230 in words is "one hundred twenty-one million, two hundred six thousand, two hundred thirty".