121313230 has 32 divisors (see below), whose sum is σ = 227992320. Its totient is φ = 46421760.

The previous prime is 121313197. The next prime is 121313243. The reversal of 121313230 is 32313121.

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, 25392 + ... + 29788.

It is an arithmetic number, because the mean of its divisors is an integer number (7124760).

Almost surely, 2^121313230 is an apocalyptic number.

121313230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121313230 is a deficient number, since it is larger than the sum of its proper divisors (106679090).

121313230 is a wasteful number, since it uses less digits than its factorization.

121313230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 121313230 is about 11014.2285249581. The cubic root of 121313230 is about 495.0351707826.

Adding to 121313230 its reverse (32313121), we get a palindrome (153626351).

The spelling of 121313230 in words is "one hundred twenty-one million, three hundred thirteen thousand, two hundred thirty".