121121230 has 16 divisors (see below), whose sum is σ = 218250144. Its totient is φ = 48396960.

The previous prime is 121121227. The next prime is 121121233. The reversal of 121121230 is 32121121.

It is an interprime number because it is at equal distance from previous prime (121121227) and next prime (121121233).

It is a self number, because there is not a number n which added to its sum of digits gives 121121230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121121233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4279 + ... + 16141.

It is an arithmetic number, because the mean of its divisors is an integer number (13640634).

Almost surely, 2^121121230 is an apocalyptic number.

121121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121121230 is a deficient number, since it is larger than the sum of its proper divisors (97128914).

121121230 is a wasteful number, since it uses less digits than its factorization.

121121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12891.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121121230 is about 11005.5090750042. The cubic root of 121121230 is about 494.7738721598.

Adding to 121121230 its reverse (32121121), we get a palindrome (153242351).

The spelling of 121121230 in words is "one hundred twenty-one million, one hundred twenty-one thousand, two hundred thirty".