121310230 has 16 divisors (see below), whose sum is σ = 219397104. Its totient is φ = 48293280.

The previous prime is 121310197. The next prime is 121310251. The reversal of 121310230 is 32013121.

It is a self number, because there is not a number n which added to its sum of digits gives 121310230.

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, 26637 + ... + 30856.

It is an arithmetic number, because the mean of its divisors is an integer number (13712319).

Almost surely, 2^121310230 is an apocalyptic number.

121310230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121310230 is a deficient number, since it is larger than the sum of its proper divisors (98086874).

121310230 is a wasteful number, since it uses less digits than its factorization.

121310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57711.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121310230 is about 11014.0923366385. The cubic root of 121310230 is about 495.0310901127.

Adding to 121310230 its reverse (32013121), we get a palindrome (153323351).

The spelling of 121310230 in words is "one hundred twenty-one million, three hundred ten thousand, two hundred thirty".