121303230 has 32 divisors (see below), whose sum is σ = 301168800. Its totient is φ = 31231872.

The previous prime is 121303223. The next prime is 121303241. The reversal of 121303230 is 32303121.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 68845 + ... + 70584.

It is an arithmetic number, because the mean of its divisors is an integer number (9411525).

Almost surely, 2^121303230 is an apocalyptic number.

121303230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121303230 is an abundant number, since it is smaller than the sum of its proper divisors (179865570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121303230 is a wasteful number, since it uses less digits than its factorization.

121303230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139468.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 121303230 is about 11013.7745573441. The cubic root of 121303230 is about 495.0215682878.

Adding to 121303230 its reverse (32303121), we get a palindrome (153606351).

The spelling of 121303230 in words is "one hundred twenty-one million, three hundred three thousand, two hundred thirty".