121130230 has 32 divisors (see below), whose sum is σ = 241161984. Its totient is φ = 43514496.

The previous prime is 121130221. The next prime is 121130239. The reversal of 121130230 is 32031121.

It is an interprime number because it is at equal distance from previous prime (121130221) and next prime (121130239).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 121130230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121130239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7782 + ... + 17401.

It is an arithmetic number, because the mean of its divisors is an integer number (7536312).

Almost surely, 2^121130230 is an apocalyptic number.

121130230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121130230 is a deficient number, since it is larger than the sum of its proper divisors (120031754).

121130230 is a wasteful number, since it uses less digits than its factorization.

121130230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25240.

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

The square root of 121130230 is about 11005.9179535375. The cubic root of 121130230 is about 494.7861266989.

Adding to 121130230 its reverse (32031121), we get a palindrome (153161351).

The spelling of 121130230 in words is "one hundred twenty-one million, one hundred thirty thousand, two hundred thirty".