121444307 has 2 divisors, whose sum is σ = 121444308. Its totient is φ = 121444306.

The previous prime is 121444283. The next prime is 121444343. The reversal of 121444307 is 703444121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121444307 - 2⁸ = 121444051 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121444357) by changing a digit.

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 as a sum of consecutive naturals, namely, 60722153 + 60722154.

It is an arithmetic number, because the mean of its divisors is an integer number (60722154).

Almost surely, 2^121444307 is an apocalyptic number.

121444307 is a deficient number, since it is larger than the sum of its proper divisors (1).

121444307 is an equidigital number, since it uses as much as digits as its factorization.

121444307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 121444307 is about 11020.1772671768. The cubic root of 121444307 is about 495.2133991288.

Adding to 121444307 its reverse (703444121), we get a palindrome (824888428).

The spelling of 121444307 in words is "one hundred twenty-one million, four hundred forty-four thousand, three hundred seven".