121244807 has 2 divisors, whose sum is σ = 121244808. Its totient is φ = 121244806.

The previous prime is 121244777. The next prime is 121244843. The reversal of 121244807 is 708442121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121244807 - 2¹² = 121240711 is a prime.

It is a Chen prime.

It is equal to p_6908510 and since 121244807 and 6908510 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121244807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121244407) 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 as a sum of consecutive naturals, namely, 60622403 + 60622404.

It is an arithmetic number, because the mean of its divisors is an integer number (60622404).

Almost surely, 2^121244807 is an apocalyptic number.

121244807 is a deficient number, since it is larger than the sum of its proper divisors (1).

121244807 is an equidigital number, since it uses as much as digits as its factorization.

121244807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 121244807 is about 11011.1219682646. The cubic root of 121244807 is about 494.9420834868.

Adding to 121244807 its reverse (708442121), we get a palindrome (829686928).

The spelling of 121244807 in words is "one hundred twenty-one million, two hundred forty-four thousand, eight hundred seven".