121244307 has 8 divisors (see below), whose sum is σ = 162148800. Its totient is φ = 80584680.

The previous prime is 121244303. The next prime is 121244327. The reversal of 121244307 is 703442121.

It is a happy number.

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

It is not a de Polignac number, because 121244307 - 2² = 121244303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121244303) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 60057 + ... + 62042.

It is an arithmetic number, because the mean of its divisors is an integer number (20268600).

Almost surely, 2^121244307 is an apocalyptic number.

121244307 is a deficient number, since it is larger than the sum of its proper divisors (40904493).

121244307 is a wasteful number, since it uses less digits than its factorization.

121244307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122433.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 121244307 is about 11011.0992639246. The cubic root of 121244307 is about 494.9414031239.

Adding to 121244307 its reverse (703442121), we get a palindrome (824686428).

The spelling of 121244307 in words is "one hundred twenty-one million, two hundred forty-four thousand, three hundred seven".