43121230 has 8 divisors (see below), whose sum is σ = 77618232. Its totient is φ = 17248488.

The previous prime is 43121227. The next prime is 43121233. The reversal of 43121230 is 3212134.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43121227) and next prime (43121233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43121233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2156052 + ... + 2156071.

It is an arithmetic number, because the mean of its divisors is an integer number (9702279).

Almost surely, 2^43121230 is an apocalyptic number.

43121230 is a deficient number, since it is larger than the sum of its proper divisors (34497002).

43121230 is a wasteful number, since it uses less digits than its factorization.

43121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312130.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 43121230 is about 6566.6757191139. The cubic root of 43121230 is about 350.6687350586.

Adding to 43121230 its reverse (3212134), we get a palindrome (46333364).

The spelling of 43121230 in words is "forty-three million, one hundred twenty-one thousand, two hundred thirty".