121443214 has 4 divisors (see below), whose sum is σ = 182164824. Its totient is φ = 60721606.

The previous prime is 121443209. The next prime is 121443227. The reversal of 121443214 is 412344121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30360802 + ... + 30360805.

It is an arithmetic number, because the mean of its divisors is an integer number (45541206).

Almost surely, 2^121443214 is an apocalyptic number.

121443214 is a deficient number, since it is larger than the sum of its proper divisors (60721610).

121443214 is an equidigital number, since it uses as much as digits as its factorization.

121443214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60721609.

The product of its digits is 768, while the sum is 22.

The square root of 121443214 is about 11020.1276762114. The cubic root of 121443214 is about 495.2119134824.

Adding to 121443214 its reverse (412344121), we get a palindrome (533787335).

The spelling of 121443214 in words is "one hundred twenty-one million, four hundred forty-three thousand, two hundred fourteen".