121144230 has 48 divisors (see below), whose sum is σ = 319307040. Its totient is φ = 31860864.

The previous prime is 121144229. The next prime is 121144267. The reversal of 121144230 is 32441121.

It is a super-3 number, since 3×121144230³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 2650 + ... + 15789.

It is an arithmetic number, because the mean of its divisors is an integer number (6652230).

Almost surely, 2^121144230 is an apocalyptic number.

121144230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121144230 is an abundant number, since it is smaller than the sum of its proper divisors (198162810).

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

121144230 is a wasteful number, since it uses less digits than its factorization.

121144230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18525 (or 18522 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 121144230 is about 11006.5539566206. The cubic root of 121144230 is about 494.8051881089.

Adding to 121144230 its reverse (32441121), we get a palindrome (153585351).

The spelling of 121144230 in words is "one hundred twenty-one million, one hundred forty-four thousand, two hundred thirty".